About
Thomas Reiner is a Partner at Altimeter Capital Management, LP, based in California. With more than 15 years at Altimeter, he plays a senior role in investment strategy and portfolio management, focusing on both public and private markets. His responsibilities include sourcing, evaluating, and supporting visionary growth-stage companies primarily in the technology sector.
Reiner’s investment expertise covers software, internet marketplaces, leisure, restaurant tech, and the video game ecosystem, with a strong emphasis on network-effect businesses such as online travel agencies, airlines, ridesharing, and food delivery platforms. He is recognized for data-driven sector analyses and has supported landmark deals in these domains. His recent work has mapped emerging trends in restaurant tech and platform SaaS, demonstrating leadership in vertical markets and fintech applications within hospitality.
Before joining Altimeter, Reiner built a foundational career in investment and financial modeling, as supported by his skill set in hedge funds and equities. He holds a degree from Northeastern University (2007–2010), with expertise in financial modeling and investment analysis. Through his publication "Platform Aeronaut" and industry engagement, he has contributed thought leadership on network-effect businesses, shaping discourse in tech-enabled asset classes.
Career History
| Organization | Role | Date Range | Details | 
|---|---|---|---|
| Altimeter Capital | Partner | Jan 2010 to Present | — | 
| PAR Capital Management | Co-op | Jun 2009 to Dec 2009 | — | 
Education
Northeastern University
Bachelors of Science
2007 — 2010
Others at Altimeter Capital Management, LP (12)
| Name | Role | Location | 
|---|---|---|
| Principal | CA , United States | |
| Principal | San Francisco, CA , United States | |
| Partner | San Francisco, CA , United States | |
| Partner | Palo Alto, CA , United States | |
| JJohn Kiernan | Chief Financial Officer and Partner | Boston, MA , United States | 
| Partner, General Counsel | CA , United States | |
| Partner | CA , United States | |
| Principal | Boston, MA , United States | |
| Partner | CA , United States | |
| FFreda DUAN | analyst | San Francisco, CA , United States |