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Two Sigma CEO and executives

Executive Summary. Based on our data team's research, Brian Modesitt is the Two Sigma's CEO. Two Sigma has 1,600 employees, of which 26 are in a leadership position.
Here are further demographic highlights of the leadership team:
  • The Two Sigma executive team is 23% female and 77% male.
  • 54% of the management team is White.
  • 18% of Two Sigma management is Hispanic or Latino.
  • 9% of the management team is Black or African American.
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Name & TitleBio
Brian Modesitt

CEO

David Siegel

Founder

David Siegel's LinkedIn

John Overdeck

Founder

Mark Pickard

Founder

Ben Wellington

Co-Founder

Ben Wellington's LinkedIn

Greg Shih

Co-Founder

Greg Shih's LinkedIn

Jim Charatan

Co-Founder

Jim Charatan's LinkedIn

Ashish Thakkar

CTO

Ashish Thakkar's LinkedIn

Ashish Thakkar is a CTO at Two Sigma and is based in New, York. He has worked as Software Development Engineer (SDE2) at MICROSOFT CORP, Intern at NVIDIA CORP, and Vice President at GOLDMAN SACHS GROUP INC. Ashish attended University of Mumbai between 1998 and 2002, NYU Stern School of Business between 2010 and 2013, and Friends University.

Bill Squier

Chief Security Officer, Senior Vice President

Bill Squier's LinkedIn

Bill Squier is a Chief Security Officer, Senior Vice President at Two Sigma; Developer at NetBSD; and Chief Security Officer and Vice President at Two Sigma and is based in New, York. He has worked as Senior Software Engineer at EMC CORP and Vice President at Morgan Stanley. Bill attended Stevens Institute of Technology between 1990 and 1999.

Carter Lyons Cfa

Chief Business Officer

Carter Lyons Cfa's LinkedIn

Carter Lyons, CFA is a Chief Business Officer at Two Sigma and is based in New York City, New York. He has worked as Analyst/Senior Analyst at Franklin Templeton and Managing Director at BlackRock, Inc.. Carter attended Menlo College, CFA INSTITUTE, and Lehigh University College of Business between 1993 and 1997.

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Two Sigma founders

Name & TitleBio
David Siegel

Founder

David Siegel's LinkedIn

John Overdeck

Founder

Mark Pickard

Founder

Ben Wellington

Co-Founder

Ben Wellington's LinkedIn

Greg Shih

Co-Founder

Greg Shih's LinkedIn

Jim Charatan

Co-Founder

Jim Charatan's LinkedIn

Two Sigma board members

Name & TitleBio
David Siegel

Founder

David Siegel's LinkedIn

Rachael Weiss Riley

Board Member

Rachael Weiss Riley's LinkedIn

Two Sigma executives FAQs

Zippia gives an in-depth look into the details of Two Sigma, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Two Sigma. The employee data is based on information from people who have self-reported their past or current employments at Two Sigma. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Two Sigma. The data presented on this page does not represent the view of Two Sigma and its employees or that of Zippia.

Two Sigma may also be known as or be related to Two Sigma, Two Sigma Investments LP and Two Sigma Investments, LP.