Justin Lontok

Fund Accountant
LinkedIn

Biography

Justin joined Mainsail in 2025 and collaborates closely with the Senior Accounting Manager, Senior Director of Finance, and the broader Finance Team on financial statement preparation and reporting.

Prior to joining Mainsail, Justin was a Senior Audit Associate at Frank, Rimerman + Co. He was responsible for executing audit engagements for venture capital firms, reviewing financial statements, and communicating with clients, including fund managers, CFOs, and fund administrators.

Justin graduated from the University of California, Los Angeles with a B.A. in Economics.

From: Fremont, CA
Lives in: San Jose, CA
Joined Mainsail: 2025
Alma Mater: UCLA

Outside of Mainsail

Outside of Mainsail, Justin enjoys snowboarding, rooting for the Golden State Warriors, and spending time with friends and family.

From: Fremont, CA
Lives in: San Jose, CA
Joined Mainsail: 2025
Alma Mater: UCLA