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James H. Clark


James H. Clark is not a financial term, but rather a person. He is an American entrepreneur and computer scientist who co-founded several successful technology companies, notably Silicon Graphics, Inc. (SGI), Netscape Communications Corporation, and Healtheon (now part of WebMD).


The phonetic pronunciation of “James H. Clark” is as follows:- James: [dʒeɪmz]- H: [eɪʧ]- Clark: [klɑrk]

Key Takeaways

  1. James H. Clark is an American entrepreneur and computer scientist, best known as the co-founder of Silicon Graphics, Inc., Netscape Communications Corporation, and Healtheon/WebMD.
  2. His pioneering work has contributed significantly to the fields of computer graphics and 3D computing, leading to the development of cutting-edge technology that has revolutionized several industries, including entertainment and medicine.
  3. Clark has earned numerous accolades for his achievements, including the ACM Turing Award, which is considered as one of the most prestigious recognitions in computer science. His success has also earned him a spot on Forbes’ list of billionaires.


James H. Clark is an important figure in the business and finance world due to his remarkable contributions as a pioneering entrepreneur and computer scientist. He co-founded several influential companies, such as Silicon Graphics, Inc., which revolutionized 3D graphics technology, and Netscape Communications Corporation, which played a significant role in the early development and popularization of the internet by offering the first widely-used web browser. Clark’s innovative thinking, technological expertise, and business acumen have made him an instrumental force in shaping the modern digital landscape and, ultimately, a prominent name in the realms of business and finance.


James H. Clark, an influential figure in the world of finance and business, is best known as a serial entrepreneur and computer scientist. His multiple endeavors have significantly contributed to the development of the technology sector. With a career spanning decades, Clark has demonstrated a propensity for identifying business opportunities and capitalizing on them. He is particularly recognized for founding several groundbreaking companies, including Silicon Graphics Inc. (SGI), Netscape Communications, and Healtheon (which later merged with WebMD). These ventures have not only disrupted and revolutionized their respective industries but also revealed the extensive applications of technology in the realms of computer graphics, internet communication, and healthcare.

The purpose behind James H. Clark’s initiatives and pioneering ventures was to harness the untapped potential of technology to transform traditional industries, ultimately giving rise to innovative products and services. By continuously challenging the norms and pushing the boundaries through his entrepreneurship, Clark has inspired countless entrepreneurs and navigated the course of modern business. Moreover, his contributions and ideas in the field of computer sciences have driven advancements in areas such as 3D graphics, virtual reality, and internet browsing. James H. Clark’s impactful legacy serves as a testament to the power of vision, ambition, and innovative thinking, making him a notable figure in the domains of finance, technology, and business.


James H. Clark is an American entrepreneur and computer scientist who is best known for founding several notable tech companies. Here are three real-world examples highlighting Clark’s influence in the business/finance sector:

1. Silicon Graphics, Inc. (SGI): In 1982, Clark founded Silicon Graphics, Inc., a manufacturer of high-performance computing solutions, including computer hardware and software. SGI became a major player in the entertainment, scientific, and military sectors, with its technology being widely used in the creation of visual effects for movies such as Jurassic Park and The Lion King. At its peak, SGI was valued at over $7 billion.

2. Netscape Communications: In 1994, Clark co-founded Netscape Communications with then-student Marc Andreessen. Netscape developed the first widely used web browser, Netscape Navigator, which played a crucial role in popularizing the internet in the 1990s. The company went public in 1995 with a highly successful initial public offering (IPO) that marked the beginning of the dot-com boom. Netscape was later acquired by AOL in a deal worth roughly $4.2 billion.

3. Healthon: In 2009, Clark founded Healthon (later rebranded as Navigenics), a personal genomics company that aimed to provide consumers with personalized health information based on their genetic data. Healthon, although not as commercially successful as Clark’s previous ventures, was a pioneer in the direct-to-consumer (DTC) genetic testing market. The company was eventually acquired by genomics research firm Life Technologies Corporation in 2012.

Frequently Asked Questions(FAQ)

Who is James H. Clark?

James H. Clark is an American entrepreneur and computer scientist, best known for co-founding companies like Silicon Graphics Inc. (SGI), Netscape Communications Corporation, and WebMD. He is a prominent figure in the finance and business sectors due to his influence on the technology industry.

What is James H. Clark’s background and education?

James H. Clark was born on March 23, 1944, in Plainview, Texas. He earned his Bachelor’s degree in Physics from the University of New Orleans, a Master’s degree in Physics from Louisiana State University, and a Ph.D. in Computer Science from the University of Utah.

What is Silicon Graphics Inc. (SGI)?

Silicon Graphics Inc. (SGI) is an American technology company that was founded by James H. Clark in 1981. SGI is notable for its innovations in graphics hardware and 3D computing, providing systems and software that were used in various industries such as film, television, and scientific research.

What is Netscape Communications Corporation?

Netscape Communications Corporation, co-founded by James H. Clark and Marc Andreessen in 1994, is best known for developing the early web browser, Netscape Navigator, which played a significant role in popularizing the Internet during the 1990s. The company was later acquired by AOL in 1999.

How is James H. Clark connected to WebMD?

James H. Clark co-founded the company Healtheon, which merged with WebMD in 1999 to form a new company called Healtheon/WebMD. WebMD has since become a leading source of medical and health information on the internet.

What other companies has James H. Clark been involved with?

In addition to SGI, Netscape, and WebMD, James H. Clark has also co-founded several other companies including myCFO, a financial management company for high net worth individuals, and Shutterfly, an online photo-sharing and printing service.

What is James H. Clark’s net worth?

As of 2021, the estimated net worth of James H. Clark is around $2.1 billion. However, this figure can fluctuate due to changes in the value of his investments and other assets.

Is James H. Clark still active in the technology and business sectors?

Although James H. Clark is not as actively involved in founding new businesses as he once was, he continues to be a significant figure in the industry by staying involved in various ventures and investing in technology startups.

Related Finance Terms

  • Silicon Graphics Inc.
  • Netscape Communications
  • Healtheon/WebMD
  • Shutterfly
  • Entrepreneurship

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