Don Valentine

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Donald Thomas Valentine (June 26, 1932 – October 25, 2019) was an American venture capitalist, business executive, and investor who is widely regarded as the "grandfather of Silicon Valley venture capital." As the founder of Sequoia Capital in 1972, Valentine helped create the modern venture capital industry and backed some of the most transformative technology companies in history, including Apple, Cisco, Oracle, Google, YouTube, and NVIDIA. His market-first investing philosophy and disciplined approach to early-stage technology investing established Sequoia as one of the most successful venture capital firms in history, with portfolio companies that at one point represented over $3.3 trillion in combined market capitalization.

Valentine's career began in the semiconductor industry, where he served in senior positions at Fairchild Semiconductor and National Semiconductor, developing the instincts for identifying technological inflection points that would later define his investing style. Known for his blunt, Socratic method of questioning founders and his insistence on investing in companies addressing massive markets, Valentine shaped not only Sequoia's culture but the practices of Silicon Valley venture capital more broadly. The Computer History Museum credited him with playing "a key role in the formation of a number of industries such as semiconductors, personal computers, personal computer software, digital entertainment and networking."

Early Life and Family Background

Working-Class Bronx Childhood

Donald Thomas Valentine was born on June 26, 1932, in New York City and grew up in the Bronx in a working-class family. His father, Milton Valentine, worked on a milk route, while his mother, May Hansen, was a homemaker. The family was Catholic and had Danish heritage. Growing up in modest circumstances during the Depression era and World War II would shape Valentine's lifelong appreciation for frugality and discipline in business.

Valentine's childhood was marked by hardship, particularly surrounding his mother's health. May Hansen Valentine suffered from tuberculosis, with her treatment placing her in an iron lung. During this difficult period, Valentine and his brother could only wave at their mother through the hospital window, unable to have direct contact with her. This early experience with adversity may have contributed to the toughness and resilience that characterized Valentine's later career.

Valentine's parents had limited formal education, making his eventual rise to prominence in the venture capital world all the more remarkable. The working-class values of the Bronx—hard work, skepticism of pretense, direct communication—would remain with Valentine throughout his career, manifesting in his famous bluntness and his suspicion of hype-driven trends.

Education: Mount Saint Michael Academy

Valentine attended Mount Saint Michael Academy, a Catholic all-boys college preparatory school in the Bronx. The school, founded by the Marist Brothers, provided a rigorous education grounded in Catholic values. The discipline and structure of Catholic education would influence Valentine's later analytical approach to business and investing.

Mount Saint Michael's emphasis on intellectual rigor and moral formation helped prepare Valentine for higher education and the demanding career that would follow. The school's connection to a broader network of Catholic educational institutions also opened doors for his college education.

Fordham University

When Valentine was preparing for college, he chose Fordham University because it was affordable and close to home, allowing him to remain in the Bronx with his family. He paid tuition quarterly in cash, reflecting the financial constraints his family faced. Despite these limitations, Valentine made the most of his educational opportunity.

At Fordham, Valentine studied chemistry and distinguished himself athletically as co-captain of the water polo team. He graduated in 1954 with a Bachelor of Science degree. More importantly, Valentine later credited his Jesuit education at Fordham with influencing his analytical style and the interrogative, Socratic method of questioning that he became famous for as an investor.

The Jesuit educational tradition, with its emphasis on critical thinking, reasoned argument, and probing questions, provided Valentine with intellectual tools that would prove extraordinarily valuable in evaluating business opportunities. His famous boardroom style—challenging assumptions, demanding clarity, and pushing founders to think rigorously—reflected the Socratic methods he encountered at Fordham.

Military Service

After graduating from Fordham in 1954, Valentine served briefly in the United States military. During his service, he studied and taught electronics, instructing officers on how to use radar and other systems. This technical education would prove valuable in his later career in the technology industry.

More significantly, Valentine's military service brought him to California for the first time, an experience that ultimately led him to remain in the region where he would later shape the venture capital industry. The California experience opened Valentine's eyes to opportunities beyond New York and set the stage for his eventual relocation to Silicon Valley.

Early Career in Semiconductors

Raytheon and Sylvania

After completing his military service in the mid-1950s, Valentine took a job at Sylvania Electric in New York. He was later transferred to California, where his technology career began in earnest. He subsequently joined Raytheon as a sales engineer, beginning to develop the commercial and technical skills that would serve him throughout his career.

These early positions gave Valentine exposure to the emerging electronics industry and taught him the fundamentals of selling technology products. The combination of technical knowledge and commercial instinct would prove essential in his later career as a venture investor.

Fairchild Semiconductor

Valentine's career took a transformative turn when he joined Fairchild Semiconductor, a company that would become legendary as the incubator for much of Silicon Valley's talent and technology. Valentine was among the early employees at Fairchild—perhaps employee number forty or fifty—joining the company while it was still establishing itself in Mountain View, California.

At Fairchild, Valentine managed worldwide sales during the acceleration of silicon-based integrated circuits, gaining early and deep experience with semiconductor technology. His role required continuous contact with early-stage chip customers, and through these interactions, he began informally assessing young companies and developing the instincts that would later attract him to venture investing.

Fairchild's marketing organization produced numerous legendary figures who would shape the technology industry. Valentine's colleagues included W. J. Sanders III, who would later found AMD, and Floyd Kvamme, who would go on to roles at National Semiconductor and Apple Computer. Together, these marketing executives pioneered practices that are now taken for granted in the marketing of high-technology products worldwide.

Valentine helped build what became the most competitive sales force in the semiconductor industry. After seven years at Fairchild, he had developed a reputation as one of the industry's most capable sales and marketing executives.

National Semiconductor

Valentine left Fairchild to join National Semiconductor as its founding Vice President of Sales and Marketing. This role gave him the opportunity to design a new sales strategy from scratch and help return the company to profitability, developing his understanding of how small technology firms scale.

The National Semiconductor experience reinforced Valentine's conviction that the most transformational startups emerged at technological "inflection points," where industry disruption created openings for new entrants. He observed that successful companies identified these inflection points early and positioned themselves to capitalize on the resulting opportunities.

During his time in the semiconductor industry, Valentine built an extensive network of relationships with engineers, executives, and entrepreneurs that would prove invaluable when he later became a venture investor. His reputation for understanding technology and markets made him a trusted advisor to many in the industry.

Founding Sequoia Capital

The Birth of Silicon Valley Venture Capital

In 1972, Don Valentine founded Sequoia Capital, using his contacts in the semiconductor industry to raise capital for venture investments. When he established the firm, the venture capital industry in America was still in its infancy, with less than $50 million in the United States focused on early-stage technology investing. Valentine's goal was to build a firm that identified large markets early and backed companies capable of dominating them.

The name "Sequoia Capital" was deliberately chosen to reflect longevity, drawing on the image of the giant sequoia trees native to California—among the oldest and largest living organisms on Earth. Valentine wanted to build an institution that would endure and grow over time, not a flash-in-the-pan operation dependent on a single individual or market cycle.

Valentine established clear investment criteria from the start: opportunities had to involve very big markets, be based in Northern California, operate in advanced technology, have high gross margin potential, offer the potential for Sequoia to make $100 million, and be receptive to active participation from the firm. These ground rules would guide Sequoia's investment decisions for decades.

Investment Philosophy

Valentine's investing philosophy was anchored on his belief that markets, not founders, ultimately dictated a company's scale. This "market-first" approach distinguished him from investors who prioritized charismatic founders or cutting-edge technology over market opportunity. Valentine famously said: "The size of the market, the dynamics of the market, the nature of the competition. Our objective is always to build big companies—if you don't attack a big market, you're highly unlikely to build a big company."

He looked for companies in their "confusion phases," where large incumbents had not yet figured out how new technologies would reshape their industries. These moments of uncertainty created opportunities for nimble startups to establish positions that would be difficult to dislodge once the market direction became clear.

Valentine preferred entrepreneurs who "knew what they didn't know," favoring intellectual humility and adaptability over charisma. He once observed: "The trouble with the first time entrepreneur is that he doesn't know what he doesn't know. After a failure he does know what he doesn't know and can beat the hell out of people who still have to learn."

The Socratic Method

Valentine became famous for his blunt, demanding boardroom style, employing a Socratic questioning method to probe founders' assumptions, financial discipline, and strategic priorities. His interrogative approach, influenced by his Jesuit education at Fordham, could be intimidating but was designed to stress-test ideas and identify weaknesses before they became fatal.

He demanded brevity and clarity in communication. In one legendary instance, Valentine required an entrepreneur to rewrite an entire business proposal onto the back of a business card. This insistence on crystalline simplicity forced founders to distill their ideas to their essence and ensured that everyone understood the core value proposition.

Valentine was often skeptical of hype-driven trends, viewing them as distractions from real business applications. He criticized the early "Information Highway" rhetoric, for example, as premature and disconnected from practical commercial applications. This skepticism helped Sequoia avoid speculative investments during periods of market exuberance.

"The Parish"

Valentine believed strongly in investing locally—what he called "the Parish" or the "408 area code" (Silicon Valley's original area code). He wanted to be able to ride his bicycle to the companies Sequoia backed, believing that proximity enabled better oversight and support. This geographic focus reflected his conviction that Silicon Valley offered more opportunity than any other location, and that leaving the Valley meant leaving behind opportunities that couldn't be found elsewhere.

The local focus also facilitated the intensive engagement that Valentine considered essential to successful investing. By concentrating on nearby companies, Sequoia partners could maintain close relationships with portfolio company management and respond quickly to emerging issues or opportunities.

Major Investments

Atari

Sequoia's first major investment was in Atari in 1975, before the video game pioneer was sold for $28 million to Warner Communications. The Atari investment introduced Valentine to Steve Jobs, who was then a line engineer at the company. This connection would lead to one of the most consequential investments in venture capital history.

The Atari experience taught Valentine about the consumer entertainment market and validated his belief in the potential of technology to reach mass audiences. The company's rapid growth and successful exit demonstrated the returns that early-stage technology investing could generate.

Apple Computer

Through his Atari connection, Valentine met Steve Jobs and was introduced to the opportunity to invest in Apple Computer. In 1978, Sequoia invested $150,000 in Apple, becoming one of the company's original investors. Valentine saw potential in the personal computer market and in the combination of Jobs's vision and Steve Wozniak's engineering brilliance.

The Apple investment did not generate the returns it might have. Valentine was forced to sell his stake in Apple for only six million dollars because the investors in that particular Sequoia fund needed money for tax reasons. While this represented a substantial return on the original investment, it was a fraction of what the stake would eventually have been worth had Sequoia been able to hold it longer.

Despite the premature exit, the Apple investment established Sequoia's reputation as a firm capable of identifying breakthrough opportunities in emerging markets. Valentine's early recognition of the personal computer's potential demonstrated the prescience that would characterize his career.

Cisco Systems

Valentine's investment in Cisco Systems became one of the most successful venture capital deals in history and the investment of which he was most proud. The story began when Sandy Lerner and Len Bosack, who had co-founded Cisco in 1984 while working at Stanford University, came seeking funding after being rejected by seventy-six other potential investors.

In December 1987, Valentine proposed that Sequoia invest $2.5 million for approximately 30 percent of the company. Bosack and Lerner would retain 30 percent with four-year vesting, while Valentine would join the board of directors and assume responsibility for helping build the management team. The deal closed, and Valentine immediately appointed John Morgridge as CEO.

The relationship between Valentine and the founders became strained. Lerner later recalled that when she first met Morgridge, he said, "I hear that you're everything that's wrong with Cisco." The tensions escalated, and in August 1990, Lerner was fired; Bosack resigned in solidarity. The founders sold their stock for $170 million—a substantial sum but a fraction of what it would have been worth had they remained.

Under the management team Valentine helped install, Cisco flourished. Valentine served as chairman of Cisco from the time of Sequoia's original investment through the 1990s, spanning three decades of involvement with the company. Cisco became one of the defining companies of the internet era, and the Sequoia investment generated extraordinary returns.

Lerner would later reflect on the experience: "I did not understand an investor could be an adversary." The Cisco story illustrated both Valentine's ability to identify transformational opportunities and the ruthless approach to building companies that characterized his style.

Oracle Corporation

Sequoia was an early investor in Oracle Corporation, the database software company founded by Larry Ellison. Valentine served on Oracle's board of directors, contributing to the company's development into one of the world's largest enterprise software companies.

The Oracle investment exemplified Valentine's focus on companies addressing large enterprise markets with technically differentiated products. Database software was precisely the kind of infrastructure technology that Valentine believed could generate massive returns if properly executed.

Electronic Arts

Valentine invested in Electronic Arts (EA), the video game publisher founded by Trip Hawkins. The investment built on the insights Valentine had developed from the Atari experience about the potential of interactive entertainment.

Valentine served on EA's board of directors as the company grew into one of the dominant players in the video game industry. The investment demonstrated Sequoia's ability to identify opportunities in consumer technology alongside its enterprise software investments.

Google, YouTube, and Beyond

While Valentine had transitioned from day-to-day leadership of Sequoia by the time of Google's founding, the firm's investment in the search giant reflected the principles and culture he had established. Sequoia's investment in Google, alongside Kleiner Perkins, became one of the most successful venture investments in history.

Sequoia also invested in YouTube, PayPal, NVIDIA, Airbnb, LinkedIn, Zappos, Square, Stripe, and WhatsApp—a portfolio that demonstrated the enduring relevance of Valentine's market-first philosophy. The companies backed by Sequoia under principles Valentine established collectively represented over $3.3 trillion in market capitalization.

Unsuccessful Investments

Valentine's career also included notable failures that shaped his investment philosophy. His backing of Pizza Time Theatre, the Chuck E. Cheese restaurant chain, taught valuable lessons about the differences between technology and consumer retail businesses. The company overexpanded before failing, contributing to Valentine's preference for quickly growing technology markets over generally slower consumer sectors.

A string of poorly performing retail and grocery investments further reinforced Valentine's focus on technology, where his expertise and instincts were strongest. He learned that success in one domain did not translate automatically to success in others, and that concentrated expertise was more valuable than diversification into unfamiliar areas.

Leadership Style and Firm Culture

Frugality

Valentine insisted on frugality at Sequoia, reflecting both his working-class background and his belief that venture capital firms should not be burdened by excessive overhead. Sequoia's early offices were spartan, and Valentine refused to pay for fancy furniture or filing cabinets. This culture of frugality extended to expectations for portfolio companies, where Valentine demanded disciplined spending.

The emphasis on frugality served multiple purposes. It preserved capital for investment, demonstrated credibility when asking portfolio companies to be cost-conscious, and filtered out partners who were more interested in the perquisites of venture capital than in building companies.

Diversity of Thought

Despite his dominant personality, Valentine valued intellectual diversity within Sequoia's partnership. He explained: "I look for people that are different than I am, because we do things here on the basis of consent among the partners. I don't like having a homogenized set of opinions. I want as much confrontation and different thinking as possible."

This commitment to diverse perspectives helped Sequoia avoid groupthink and identify opportunities that a more homogeneous team might miss. Valentine's willingness to be challenged—at least by partners he respected—moderated the risks of his strong personality.

Succession and Transition

One of Valentine's most important contributions to Sequoia was engineering a successful generational transition. He handed control of the firm to Michael Moritz and Doug Leone in the mid-1990s without demanding compensation for the management company. Valentine recognized that "Kings in this business... are a pain in the ass" and that the firm's long-term health required passing leadership to younger partners.

This selfless approach to succession distinguished Sequoia from many venture firms that have struggled or failed during generational transitions. Valentine continued to attend partner meetings for about a decade after stepping back from day-to-day leadership, providing continuity while allowing new leadership to establish their authority.

Board Service

Throughout his career, Valentine served on the boards of numerous technology companies, including Apple, Atari, C-Cube, Cisco Systems, Electronic Arts, Linear Technology, LSI Logic, Microchip Technology, NetApp, Oracle, PMC-Sierra, and Traiana. He served as chairman of NetApp and Traiana in addition to his chairman role at Cisco.

Valentine's board service reflected his philosophy of active engagement with portfolio companies. Unlike investors who limited their involvement to attending quarterly board meetings, Valentine believed in close, ongoing involvement with the companies he backed. His board service also allowed him to develop relationships with the executives and entrepreneurs who populated Silicon Valley, strengthening Sequoia's deal flow and reputation.

Personal Life

Marriage and Family

Don Valentine married Rachel Valentine in 1961, and their marriage lasted 58 years until his death in 2019. Together they had three children: Christian, Mark, and Hilary. The family lived in the Bay Area, where Valentine maintained close ties to his children and seven grandchildren.

Despite his demanding professional life, Valentine maintained strong family connections. His children and grandchildren all remained in the Bay Area, reflecting the deep roots the family established in the region Valentine helped transform through his investments.

Residence in Woodside

Valentine made his home in Woodside, California, an affluent town in San Mateo County known for its rural character and large estates. The town, located in the hills above Silicon Valley, attracted many successful technology executives and investors who valued its privacy and proximity to the region's business centers.

The Woodside residence allowed Valentine to maintain the close proximity to his investments that he considered essential, while providing a retreat from the intensity of professional life. He died at home in Woodside on October 25, 2019.

Documentary Appearance

Valentine was featured in the 2011 documentary film "Something Ventured," which investigated the emergence of American venture capitalism in the mid-twentieth century. The film provided an opportunity for Valentine to reflect on his career and the development of the venture capital industry he helped create.

The documentary captured Valentine's characteristic directness and his insights into what separated successful venture investments from failures. His appearance contributed to the historical record of Silicon Valley's development.

Death and Legacy

Death

Don Valentine died on October 25, 2019, at his home in Woodside, California, at the age of 87. According to a spokeswoman for Sequoia, he died of natural causes. He was survived by his wife Rachel, their three children, and seven grandchildren, all of whom lived in the Bay Area.

Tributes

Following Valentine's death, Silicon Valley paid tribute to one of its founding figures. Sequoia posted a tribute calling him "one of a generation of leaders who forged Silicon Valley."

Doug Leone, global managing partner of Sequoia Capital, issued a statement: "Don's life is woven into the fabric of Silicon Valley. He shaped Sequoia and left his imprint not just on those of us who had the privilege to work with him or the many philanthropic institutions that invested with Sequoia, but also on the founders and leaders of some of the most significant technology companies of the later part of the twentieth century."

Even Warren Buffett's partner Charlie Munger had praised Sequoia during Valentine's lifetime: "The most remarkable investment firm in America is probably Sequoia. That venture-capital firm absolutely fanatically stays right on the cutting edge of modern technology."

Assessment of Legacy

Don Valentine has been recognized as one of the key individuals who created the modern venture capital industry. The Computer History Museum credited him with playing "a key role in the formation of a number of industries such as semiconductors, personal computers, personal computer software, digital entertainment and networking."

His market-first investment philosophy influenced generations of venture investors and shaped how Silicon Valley thinks about building companies. The principles he established at Sequoia—focusing on large markets, demanding disciplined execution, engaging actively with portfolio companies—became standard practices across the venture capital industry.

Valentine's legacy extends beyond his direct investments to the culture and practices he established at Sequoia. Under partners he mentored, including Michael Moritz and Doug Leone, Sequoia expanded globally and continued to back category-defining companies. Sequoia Capital China, for example, backed ByteDance, the parent company of TikTok, applying principles derived from Valentine's approach to new markets and technologies.

The title "grandfather of Silicon Valley venture capital" captures Valentine's foundational role in creating the institutions and practices that have driven technology innovation for five decades. While the venture capital industry existed before Valentine, he was instrumental in defining what it meant to be an active, value-added investor in early-stage technology companies.

Quotes

Valentine was known for memorable, blunt statements that captured his investment philosophy:

"The size of the market, the dynamics of the market, the nature of the competition. Our objective is always to build big companies—if you don't attack a big market, you're highly unlikely to build a big company."

"The trouble with the first time entrepreneur is that he doesn't know what he doesn't know. After a failure he does know what he doesn't know and can beat the hell out of people who still have to learn."

"I am 100% behind my CEOs right up till the day I fire them."

"The world of technology thrives best when individuals are left alone to be different, creative, and disobedient."

"Our view has always been preferably, give us a big technical problem, give us a big market when that technical problem is solved, so we can sell lots and lots and lots of stuff."

"I look for people that are different than I am, because we do things here on the basis of consent among the partners. I don't like having a homogenized set of opinions. I want as much confrontation and different thinking as possible."

References

External Links