Nathaniel Horwitz

Last updated
Nathaniel Horwitz
Alma mater Harvard University (AB)
Occupation(s)Journalist
Venture capitalist
Known for Mayday Health
Hunterbrook
Parents

Nathaniel Brooks Horwitz is an Australian-American entrepreneur, venture capitalist, and journalist. He is the co-founder of Mayday Health and Hunterbrook, and was previously a partner at RA Capital Management.

Contents

Early life and education

Nathaniel Horwitz was raised in Martha's Vineyard. His father Tony Horwitz, was a Pulitzer Prize-winning journalist and author of Confederates in the Attic. His mother, Geraldine Brooks, is a Pulitzer Prize-winning author of several books, including People of the Book and Caleb's Crossing. [1] Both of his parents were previously correspondents at The Wall Street Journal. Through his mother, Horwitz is Australian. His family split their time between Virginia, Sydney, and Martha's Vineyard. [2]

Horwitz graduated from Martha's Vineyard Regional High School before attending Harvard University, where he received a degree in molecular and cellular biology in 2018. [3] As a student, Horwitz wrote for The Harvard Crimson and invested in and founded biotech startups. [4] [5] While at Harvard, Horwitz met Sam Koppelman, with whom he would later found Mayday Health and Hunterbrook. [6] He also founded

Career

After graduating from Harvard, Horwitz joined RA Capital Management, a biotech focused venture capital and asset management firm. He left RA Capital in 2023, shortly before founding Hunterbrook. While at RA Capital, Horwitz founded four biotech companies. [7]

Mayday Health

In 2022, after the Supreme Court's decision in Dobbs v. Jackson, Horwitz, along with Koppelman and Olivia Raisner, co-founded Mayday Health. The three were roommates in Virginia at the time. [8] The nonprofit focused on providing education and information on abortion access. [9] Horwitz became CEO upon the organization's launch before stepping down in 2023. After his departure, Horwitz became Mayday Health's executive chair. [10]

Hunterbrook

In 2023, Horwitz and Koppelman founded Hunterbrook, a hedge fund and investigative journalism outlet. [11] Horwitz became CEO of both Hunterbrook Media and Hunterbrook Capital, which raised $100 million in seed funding upon its launch. [12] [13] The company's name is partially derived from Horwitz's mother's last name. [14]

Personal life

Horwitz lives in New York. [15]

References

  1. "This Hedge Fund Wants to Save Investigative Journalism — By Using It to Game the Market". POLITICO. 2024-05-25. Retrieved 2025-08-22.
  2. Malone, Clare (2024-05-02). "Is Hunterbrook Media a News Outlet or a Hedge Fund?". The New Yorker. ISSN   0028-792X . Retrieved 2025-08-22.
  3. Horwitz, Nathaniel (2014-08-27). "Nathaniel Brooks Horwitz". The Martha's Vineyard Times. Retrieved 2025-08-22.
  4. "Nathaniel B. Horwitz | Writer Page | The Harvard Crimson". www.thecrimson.com. Retrieved 2025-08-22.
  5. "Bringing breakthroughs to life". seas.harvard.edu. Retrieved 2025-08-22.
  6. Malone, Clare (2024-05-02). "Is Hunterbrook Media a News Outlet or a Hedge Fund?". The New Yorker. ISSN   0028-792X . Retrieved 2025-08-22.
  7. "Mayday in America". Unitarian Universalist Society of Martha's Vineyard. 2022-08-09. Retrieved 2025-08-22.
  8. "This Hedge Fund Wants to Save Investigative Journalism — By Using It to Game the Market". POLITICO. 2024-05-25. Retrieved 2025-08-22.
  9. Aymond, Natalie (2022-08-17). "Mayday, mayday, mayday: Abortion pills to the rescue". The Martha's Vineyard Times. Retrieved 2025-08-22.
  10. "Team". HUNTERBROOK. Retrieved 2025-08-22.
  11. "Team". HUNTERBROOK. Retrieved 2025-08-22.
  12. "This Hedge Fund Wants to Save Investigative Journalism — By Using It to Game the Market". POLITICO. 2024-05-25. Retrieved 2025-08-22.
  13. "Client Challenge". www.ft.com. Retrieved 2025-08-22.
  14. Malone, Clare (2024-05-02). "Is Hunterbrook Media a News Outlet or a Hedge Fund?". The New Yorker. ISSN   0028-792X . Retrieved 2025-08-22.
  15. "Team". HUNTERBROOK. Retrieved 2025-08-22.