Nathaniel Horwitz

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

Nathaniel Horwitz is an Australian-American investor, entrepreneur, and investigative journalist. He is the co-founder of Mayday Health and Hunterbrook, where he is CEO. He was previously a partner at RA Capital Management.

Contents

Early life and education

Nathaniel Horwitz was raised in Australia and the United States. He graduated from Harvard University with a degree in molecular and cellular biology. [1] As a student, Horwitz wrote for The Harvard Crimson and worked on biotech startups. [2] [3] [4] [5] He published biomedical research in the scientific journal Cell. [6] [7] While at Harvard, Horwitz met Sam Koppelman, with whom he would later found Mayday Health and Hunterbrook. [8] [9]

Career

After graduating from Harvard, Horwitz joined RA Capital Management, a healthcare-focused investment firm. [10] While at RA Capital, Horwitz launched biotech companies. [11] He left RA Capital in 2023, before founding Hunterbrook. [12] He has written in The Washington Post , The Atlantic , The Daily Beast , Town & Country, and The Australian Financial Review. [13] [14] [15] [16] [17]

Mayday Health

In 2022, before the Supreme Court's decision in Dobbs v. Jackson overturned Roe v. Wade , Horwitz co-founded Mayday Health with Koppelman and Liv Raisner. [18] The 501(c)(3) nonprofit educates on abortion access and advocated for laws to shield healthcare providers who send abortion medicine to people in states with abortion bans. [19] [20] Horwitz volunteered as CEO then moved to executive chair. [21] [22]

Hunterbrook

In 2023, Horwitz and Koppelman founded Hunterbrook, an investment fund, litigation firm, and investigative journalism outlet. [23] [24] Horwitz became CEO of both Hunterbrook Media and Hunterbrook Capital, which raised $100 million upon its launch. [25] [26] The company's name is partially derived from Horwitz's mother's last name. [27]

Personal life

Nathaniel Brooks Horwitz lives in New York. [28] His father, Tony Horwitz, was a Pulitzer Prize-winning journalist. His mother, Geraldine Brooks, is a Pulitzer Prize-winning author. [29] Both of his parents were war reporters for The Wall Street Journal. He has a brother, Bizu. [30]

References

  1. Horwitz, Nathaniel (2014-08-27). "Nathaniel Brooks Horwitz". The Martha's Vineyard Times. Retrieved 2025-08-22.
  2. "Nathaniel B. Horwitz | Writer Page | The Harvard Crimson". www.thecrimson.com. Retrieved 2025-08-22.
  3. "Bringing breakthroughs to life". seas.harvard.edu. Retrieved 2025-08-22.
  4. "Why We Won't Punch | Opinion | The Harvard Crimson". www.thecrimson.com. Retrieved 2025-10-10.
  5. Daso, Frederick. "Two Harvard Biotech Entrepreneurs Are Creating The "Trojan Horse" Of Cancer Treatment". Forbes. Retrieved 2025-10-10.
  6. Yu, Haojie; Rimbert, Antoine; Palmer, Alice E.; Toyohara, Takafumi; Xia, Yulei; Xia, Fang; Ferreira, Leonardo M. R.; Chen, Zhifen; Chen, Tao; Loaiza, Natalia; Horwitz, Nathaniel Brooks; Kacergis, Michael C.; Zhao, Liping; Soukas, Alexander A.; Kuivenhoven, Jan Albert (2019-11-27). "GPR146 Deficiency Protects against Hypercholesterolemia and Atherosclerosis". Cell. 179 (6): 1276–1288.e14. doi:10.1016/j.cell.2019.10.034. ISSN   0092-8674. PMC   6889877 . PMID   31778654.
  7. "Nivien's Shot". www.science.org. Retrieved 2025-10-10.
  8. 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.
  9. "A new kind of activist journalism: Hunterbrook investigates corporations (and hopes to make bank trading off its reporting)". Nieman Lab. Archived from the original on 2025-09-17. Retrieved 2025-10-10.
  10. Primack, Dan (2023-11-02). "New hedge fund is hiring journalists to not do journalism". Axios. Retrieved 2025-10-10.
  11. "Mayday in America". Unitarian Universalist Society of Martha's Vineyard. 2022-08-09. Retrieved 2025-08-22.
  12. "The Big Bet — $100 Million — To Make Journalism Profitable Again". The New York Sun. 2024-04-11. Retrieved 2025-10-10.
  13. "Here's what happened when I tried to develop a new drug for a deadly cancer". The Washington Post. 2019-01-11. ISSN   0190-8286 . Retrieved 2025-10-10.
  14. "The Next Frontier of the War on Cancer". The Daily Beast. 2018-02-21. Retrieved 2025-10-10.
  15. Horwitz, Nathaniel Brooks (2019-01-25). "I tried to develop a new drug for a deadly cancer". Australian Financial Review. Retrieved 2025-10-10.
  16. "Nathaniel Brooks Horwitz". Town & Country. Retrieved 2025-10-10.
  17. "Readers Discuss Extreme Drug Prices—And What to Do About Them". The Atlantic. 2019-04-01. Retrieved 2025-10-10.
  18. Alter, Charlotte. "This Group Wants to Teach You How to Get Abortions Even Where They're Banned". TIME. Archived from the original on 2025-09-29. Retrieved 2025-10-10.
  19. Aymond, Natalie (2022-08-17). "Mayday, mayday, mayday: Abortion pills to the rescue". The Martha's Vineyard Times. Retrieved 2025-08-22.
  20. "Don't mess with us, Texas - The Boston Globe". BostonGlobe.com. Retrieved 2025-10-10.
  21. "Team". HUNTERBROOK. Retrieved 2025-08-22.
  22. McKenna, Jenifer (2025-03-27). "Mobile Billboard Parks Outside Fake Abortion Clinics to Expose Lies and Protect Would-Be Patients". Ms. Magazine. Retrieved 2025-10-10.
  23. Sachs, Matt LevineMatt Levine is a Bloomberg Opinion columnist A. former investment banker at Goldman; Mergers, He Was a; Wachtell, acquisitions lawyer at; Lipton; Rosen; Circuit, Katz; a clerk for the U. S. Court of Appeals for the 3rd; Dealbreaker, an editor of (2024-04-02). "A Hedge Fund That's Also a Newspaper". Bloomberg.com. Retrieved 2025-10-10.{{cite news}}: |first7= has generic name (help)CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  24. "Client Challenge". www.ft.com. Retrieved 2025-10-10.
  25. "This Hedge Fund Wants to Save Investigative Journalism — By Using It to Game the Market". POLITICO. 2024-05-25. Retrieved 2025-08-22.
  26. "Client Challenge". www.ft.com. Retrieved 2025-08-22.
  27. 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.
  28. "This Hedge Fund Wants to Save Investigative Journalism — By Using It to Game the Market". POLITICO. 2024-05-25. Retrieved 2025-08-22.
  29. Duguid, Kate; Franklin, Joshua (2024-04-03). "News-powered hedge fund raises $100m to trade on reporters' scoops". Australian Financial Review. Retrieved 2025-10-10.
  30. Brooks, Geraldine (2023-03-10). "I have two sons and love them equally. But my homeland does not". The Sydney Morning Herald. Retrieved 2025-10-10.