Larry Ellison and John Grayken are two influential billionaires whose fortunes were built in very different corners of the business world. Ellison became a technology icon by co-founding Oracle, while Grayken established his reputation through private equity and distressed-asset investing at Lone Star Funds. Both men are known for enormous wealth, global investments, and highly private personal lives. The comparison below brings together their backgrounds, careers, education, families, public profiles, and the most widely reported estimates of their net worth.
Larry Ellison and John Grayken – Quick Bio Table
| Category | Larry Ellison | John Grayken |
| Full Name | Lawrence Joseph Ellison | John Patrick Grayken |
| Date of Birth | August 17, 1944 | June 1956; the exact day is not widely confirmed |
| Net Worth | Approximately $192 billion, based on Forbes’ 2025 annual estimate. His wealth changes with Oracle’s share price. | Approximately $7.6 billion, based on recent Forbes estimates. The figure may change with private investments and asset valuations. |
| Age | 81 years old as of August 5, 2026 | Approximately 70 years old as of August 5, 2026 |
| Nickname | Larry, a shortened form of Lawrence | No widely recognized public nickname |
| Birthplace | The Bronx, New York City, United States | Commonly reported as Cohasset, Massachusetts, United States |
| Nationality | American | Irish; he was born in the United States and later became an Irish citizen |
| Parents | Biological mother: Florence Spellman. Adoptive parents: Lillian Spellman Ellison and Louis Ellison. His biological father’s identity is not consistently documented. | His parents’ names and personal details have not been widely published in reliable sources. |
| Siblings | No reliably documented public information about siblings | No reliably documented public information about siblings |
| Profession | Technology entrepreneur, investor, business executive and philanthropist | Businessman, investor, private-equity executive and philanthropist |
| Famous For | Co-founding Oracle Corporation and helping build it into a leading global database and enterprise-software company | Founding Lone Star Funds, a private-equity firm known for investing in distressed assets, real estate and financial institutions |
| Company Founded | Oracle’s original company was established in 1977 with Bob Miner and Ed Oates. | Lone Star Funds was established in 1995. |
| Major Position | Longtime Oracle CEO; later served as executive chairman and chief technology officer | Founder and chairman of Lone Star Funds |
| Education | Attended the University of Illinois at Urbana-Champaign and the University of Chicago, but did not complete a degree | Graduated from the University of Pennsylvania and earned an MBA from Harvard Business School |
| Career Background | Worked for technology companies, including Ampex, before launching the business that became Oracle | Worked in real-estate and investment banking before establishing Lone Star Funds and building a global distressed-investment business |
| Business Industry | Enterprise software, databases, cloud computing, healthcare technology and business applications | Private equity, distressed debt, real estate, banking assets and corporate investments |
| Major Investments | Oracle shares, real estate, Lanai, aviation, sailing, tennis, healthcare research and technology companies | Distressed assets, property, financial institutions and international private-equity investments through Lone Star Funds |
| Marital Status | Married four times; all four marriages ended in divorce. No current marriage is widely confirmed. | Married to Eilene Grayken, according to widely published profiles |
| Spouse or Former Spouses | Adda Quinn, Nancy Wheeler Jenkins, Barbara Boothe and Melanie Craft | Eilene Grayken |
| Children | Two children: film producers Megan Ellison and David Ellison | Reportedly four children |
| Family | His daughter, Megan Ellison, founded Annapurna Pictures. His son, David Ellison, founded Skydance Media. | Grayken keeps his family life private. Public profiles identify his wife and children but provide few personal details. |
| Height | Commonly reported as approximately 6 feet 3 inches, or 191 cm, although no official measurement is widely published | Not publicly confirmed |
| Weight | Not reliably documented | Not publicly confirmed |
| Hair Color | Gray-white | Gray or light-colored in recent public photographs, but not officially documented |
| Eye Color | Not reliably confirmed by an authoritative source | Not reliably confirmed by an authoritative source |
| Hobbies and Interests | Competitive sailing, aviation, tennis, architecture, Japanese art, technology and medical research | His private hobbies are not widely documented. He is publicly associated with philanthropy, property and international investment. |
| No widely recognized verified personal Instagram account | No widely recognized verified personal Instagram account | |
| Social-Media Presence | Maintains a limited personal social-media profile compared with many technology executives | Maintains an extremely private public profile and has no prominent verified personal social-media presence |
| Property and Residence | Owns major real-estate interests and purchased approximately 98% of the Hawaiian island of Lanai in 2012 | Has been reported as living in London and owning valuable properties, although his complete property portfolio is private |
| Citizenship Background | Born and raised in the United States | Born in America, later renounced U.S. citizenship and became an Irish citizen |
| Philanthropy | Supports cancer research, medical science, education and longevity research. He signed the Giving Pledge and announced a major gift to establish the Ellison Institute. | Supports education, healthcare and community causes through the Grayken family’s philanthropic activities |
| Sports Interests | Backed Oracle Team USA, won the America’s Cup and helped establish SailGP. He also owns the Indian Wells tennis tournament. | No major professional sports ownership or competitive sporting activity is widely associated with him. |
| Public Image | Known as a bold, competitive and outspoken Silicon Valley entrepreneur | Known as a highly private, disciplined and low-profile private-equity investor |
| Music or Songs | Not a singer or recording artist; no official songs or music career | Not a singer or recording artist; no official songs or music career |
| Information Availability | Extensive information is available because of his long public career at Oracle. | Personal information is limited because he rarely gives interviews and keeps his private life away from the media. |
Larry Ellison and John Grayken Images
