Rael Mazansky

Nexthera Capital LP is an independent hedge fund manager headquartered in New York City. The firm was founded by Daniel Malek and Ori Hershkovitz in 2015. Nexthera Capital manages assets on behalf of institutional clients and private investors.

Surveyor Capital Ltd. is a hedge fund seeding platform headquartered in New York City. The firm was founded in 2008 and is a subsidiary of Citadel LP, which is owned by GFH HFEVA LLC. Surveyor Capital manages capital exclusively for Citadel’s multi-strategy funds and its positions are consolidated in Form 13F filed by Citadel Advisors LLC.

Ridgeback Capital Management LLC (Ridgeback Capital) is a private investment firm founded in 2006 by Dr. Wayne Holman. Headquartered in New York City, Ridgeback Capital manages assets of financially sophisticated clients.

DropOutClub LLC operates as an online networking platform. Its platform enables doctors to find career outside medicine industry. The company was founded by Rael Mazansky in 1999 and is headquartered in New York.

Kalex Capital LLC is an independent hedge fund manager headquartered in New York City. The firm was founded by Rael Mazansky in 2014. Kalex Capital manages assets on behalf of institutional clients and private investors.

Perceptive Advisors LLC is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Joseph “Joe” Edelman in 1999. provides investment advice to private funds, separate accounts, and co-investment vehicles. Investors in the client accounts and co-investment vehicles consist primarily of institutional investors, financial institutions, other investment funds, and high-net-worth individuals.