David Joerg

Managing Director -> Emeritus

2001

Two Sigma is a technology company that applies a rigorous, scientific method-based approach to investment management. Their venture division, Two Sigma Ventures (TSV), seeks to invest in companies that push the boundaries of an industry by using magic such as data science, machine learning, distributed computing, artificial intelligence or advanced hardware. David served on the boards of TSV portfolio companies WHOOP and Placed (acquired by SNAP).

Head of Special Projects, maker of "Learn Chess with Dr. Wolf"

2018

Developer of "Learn Chess with Dr. Wolf", the virtual chess coaching app. Dr. Wolf came into the Chess.com family in January 2020.

Member, Board of Directors

2015 - 2022

Founder and President

2012 - 2017

overindulging my passion for stats, chess and self-improvement. and starcraft.

Volunteer Tech Lead

2016 - 2016

Co-Founder, President, CTO

1999 - 2001

Location-based service in 1999 made possible with synch tech, compression tricks, on-device directions, and super-clean UX.

Manager, Equity Derivatives Software

1997 - 1999

Developer

1996 - 1997

Software Developer

1994 - 1995