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David Einhorn and Kathy Warden
David Einhorn and Kathy Warden have built influential careers in very different corners of American business. Einhorn is known for founding Greenlight Capital and developing a reputation as a value-focused hedge fund investor, while Warden has spent her career in technology, aerospace and defense and leads Northrop Grumman. Both have held major leadership positions and have also been involved in education and philanthropic work. The comparison below brings together their backgrounds, estimated wealth, education, careers, family information and other key profile details.
David Einhorn and Kathy Warden Quick Bio
| Detail | David Einhorn | Kathy Warden |
|---|---|---|
| Full Name | David Michael Einhorn | Kathy J. Warden |
| Date of Birth | November 20, 1968 | Around 1970–1971; exact date is not consistently published |
| Net Worth | Estimated around $1–$3.2 billion, depending on methodology | Estimated in the tens of millions of dollars; no authoritative current personal figure |
| Age | 57 in 2026 | 54–55 in 2026, depending on source |
| Birth Place | Demarest, New Jersey, United States; raised in Wisconsin | Maryland, United States; grew up around Smithsburg/Hagerstown |
| Nationality | American | American |
| Profession | Investor, hedge fund manager and entrepreneur | Business executive and aerospace & defense leader |
| Famous For | Founder and President of Greenlight Capital | Chair, CEO and President of Northrop Grumman |
| Nickname | No widely documented public nickname | No widely documented public nickname |
| Parents | Stephen and Nancy Einhorn | Detailed information about parents is not widely documented |
| Siblings | Daniel Einhorn | Detailed information about siblings is not widely documented |
| Education | Cornell University, B.A. in Government, summa cum laude | James Madison University; George Washington University, MBA |
| Professional Qualification | Government degree; investment and financial-market expertise | Business administration and executive leadership |
| Career Beginning | Investment banking and investment management | General Electric and later leadership roles in technology and defense-related businesses |
| Major Company | Greenlight Capital | Northrop Grumman |
| Major Industry | Investment management, hedge funds and finance | Aerospace, defense, technology and cybersecurity |
| Company Founded | Greenlight Capital, co-founded in 1996 | No company founded; executive career |
| Current Major Role | President of Greenlight Capital | Chair, Chief Executive Officer and President of Northrop Grumman |
| Greenlight Capital | Founded/co-founded Greenlight Capital in January 1996 | No connection |
| Northrop Grumman Career | No connection | Joined Northrop Grumman in 2008 |
| CEO Start Date | President of Greenlight Capital since its founding | January 1, 2019 |
| Chairman/Chair Role | Chairman of the boards of Greenlight Capital Re and Green Brick Partners | Chair of Northrop Grumman since August 2019 |
| Previous Senior Roles | Investment roles before founding Greenlight Capital | President and COO; President of Mission Systems; President of Information Systems; Vice President of Cyber Intelligence |
| General Electric Experience | No | Spent nearly a decade at General Electric |
| General Dynamics Experience | No | Held leadership roles at General Dynamics |
| Veridian Experience | No | Held leadership roles at Veridian Corporation |
| Investment Style | Value-oriented, long-short investing and fundamental research | Corporate strategy, operations, technology and business development |
| Famous Investment Association | Became particularly well known for his public position on Lehman Brothers before its 2008 collapse | Known for leadership in aerospace, defense, technology and cybersecurity |
| Book | Fooling Some of the People All of the Time: A Long Short Story | No major book publicly associated with her |
| Marital Status | Engaged as of 2026, according to Cornell’s 2026 profile | Personal marital status is not prominently documented in authoritative biographies |
| Spouse/Partner | Natalie Kaplan — fiancé as reported by Cornell in 2026 | Spouse information is not clearly documented in authoritative professional profiles |
| Children | Three — Rachel, Naomi and Mitchell | Family details are largely private |
| Height | Approximately 5 ft 10 in (178 cm) — estimated | Approximately 5 ft 6 in (168 cm) — estimated |
| Weight | Approximately 75–80 kg — estimated | Approximately 60–65 kg — estimated |
| Hair Color | Brown/gray — estimated | Blonde/light brown — visually estimated |
| Eye Color | Brown — estimated | Blue/gray — visually estimated |
| No clearly verified personal Instagram account identified | No clearly verified personal Instagram account identified | |
| Known Interests | Poker, investing, sports, education and philanthropy | Technology, aerospace, leadership, cybersecurity and education |
| Philanthropy | Founder and trustee of Einhorn Collaborative; major Cornell supporter | Involved in professional, educational and industry organizations |
| Cornell Connection | Cornell Class of 1991, former Board of Trustees member and Cornell Tech Council member | No Cornell degree; education at James Madison and George Washington |
| Educational Achievement | Graduated summa cum laude with distinction in all subjects and was elected to Phi Beta Kappa | Earned bachelor’s and MBA degrees |
| Major Board Roles | Cornell Tech Council; boards including Green Brick Partners and philanthropic organizations | Merck & Co. board; Chair of Greater Washington Partnership |
| Industry Recognition | Recognized as a prominent value investor and hedge fund manager | 2022 Deming Cup for Operational Excellence |
| Leadership Focus | Investment research, portfolio management and capital allocation | Aerospace and defense operations, technology, strategy and business development |
| Recent Professional Activity | Continues to lead Greenlight Capital and participate in investment and philanthropic activities | Continues to lead Northrop Grumman in 2026 |
| 2026 Status | Active investor and Greenlight Capital leader | Active Chair, CEO and President of Northrop Grumman |
| Career Span | More than three decades in investment management | Several decades across technology, defense and aerospace |
| Family Background | Son of Stephen and Nancy Einhorn; family has strong Cornell connections | Raised in Maryland and has described herself as a first-generation college student |
| Public Profile | Financial markets, hedge funds, investing and philanthropy | Corporate leadership, aerospace, defense and technology |
| Major Legacy | Building Greenlight Capital into a recognized value-investing firm | Rising through technology and defense leadership to head Northrop Grumman |
| Final Professional Position | President and founder of Greenlight Capital | Chair, CEO and President of Northrop Grumman |
David Einhorn and Kathy Warden Images

