About Us

ZLemma helps companies and technical talent connect more intelligently. Powered by patent-pending algorithms, ZLemma's flagship product ZSort analyzes professionals with backgrounds in STEM (science, technology, engineering, math/statistics) to help companies identify the right hires. We also help students and professionals find jobs most suited to their talents.

ZLemma is based in Mountain View, California with a team of experts in algorithms, data science, software design and product development. It raised a Series A round of venture capital from Nexus Venture Partners in 2013.

Management Team


Ashwin Rao
Co-Founder
Chief Executive Officer

Ashwin was a Managing Director at Morgan Stanley, where he and his team modeled complex financial markets. Earlier, as a VP at Goldman Sachs, he developed new financial products and designed quantitative trading strategies.

Ashwin has a Ph.D. in Algorithmic Algebra from University of Southern California and a B.Tech. in Computer Science from IIT-Bombay.


Madhav Halbe
Co-Founder
Chief Revenue Officer

A serial entrepreneur for nearly 20 years, Madhav has founded and exited three recruiting companies. He has over a decade of experience recruiting top STEM talent across technology and finance.

Madhav holds a B.E. in Electronics from the University of Mumbai.


Naren Gupta
Board Member

Naren is the co-founder and a partner at Nexus Venture Partners. He has over 20 years of early stage investment experience, with several successful public exits. He earlier founded Integrated Systems which he took public.

Naren has a Ph.D. from Stanford University and a MS from the California Institute of Technology, where he also serves on the Board of Trustees.


David Henke
Board Member

David was the Senior Vice President of Engineering at LinkedIn. Previously, he was the SVP of Engineering at Yahoo!, where he was responsible for overhauling Yahoo’s search marketing product. His strong technical skills have made him a valuable mentor to many engineering teams.

David holds a BA in Mathematics from the University of California, Santa Barbara.