Fabrice Grinda


Fabrice is an Internet entrepreneur, angel investor, student and lover of life, aspiring Renaissance man and co-founder of OLX, one of the largest free classifieds sites in the world.

Jose Marin


Jose is a serial entrepreneur and global investor. He co-founded Deremate.com, project builder IG Expansion, and Serendipity Investments that has invested in more than 200 companies. He loves flying and extreme sports, plays the piano and tennis, and speaks 5 languages.

Arne Halleraker


A Norwegian native, Arne [ˈɑrni] joined the FJ Labs team in the spring of 2016. He lived in San Francisco for 1.5 years, where he was director of global partnerships for Telenor and focused on business development with Google [x].

Jeff Weinstein

Jeff Weinstein is a Principal at FJ Labs. He was previously a Senior Associate at Lux Capital. Outside of work, Jeff is a competitive runner training to run a sub-four minute mile. Jeff holds a BA in Philosophy, Politics, and Economics from the University of Pennsylvania.

Matias Barbero

Matias is an investor at FJ Labs. Previously, he was an M&A investment banking associate at JPMorgan. Before that, he held different strategy, marketing, and finance roles. Originally from Argentina, Matias holds an MBA from Duke University, where he graduated with honors as a Fuqua Scholar

Luke Skertich

Luke is an investor at FJ Labs. Previously, he was an investor at M25 and held product management roles at three VC-backed startups. Luke earned an MBA from the University of Chicago Booth School of Business & a Bachelor’s in Bioengineering from the University of Illinois at Urbana-Champaign.

Kelly Anne Tully

Kelly is Head of Platform and an investor at FJ Labs. Previously, Kelly worked at Bloomberg Philanthropies and is a proud alum of the Bloomberg Administration. Kelly is born and raised in New York City and holds a BA from Duke University and an MBA from Columbia Business School.

Matthew Stone

Matt is Head of Operations and an investor at FJ Labs. Matt began his career in GE’s Financial Management Program, and, most recently, worked as a Sr. Director at FTI Consulting. He holds a B.S. in Finance from Fordham University and MBAs from Columbia Business School and London Business School.


Zineb Belghiti

Zineb is an analyst at FJ Labs. Previously, Zineb worked at Deutsche Bank in Asset and Wealth Management. Zineb is originally from Morocco and studied Economics and Comparative Literature at Barnard College and holds a Masters in Applied Analytics from Columbia University