Gillian Bartell - Email & Phone Number

Learning and Development Coordinator at Two Sigma

Gillian Bartell is based out of Old Westbury, New York, United States and works at Two Sigma as Learning and Development Coordinator.

Gillian Bartell's Contact Information

Gillian Bartell's Work email

g*****@twosig***.com

Valid

Gillian Bartell's Personal email

g*****@gmai***.com

Valid

Gillian Bartell's Phone number

+1 (516) *** ****

Gillian Bartell's Phone number

+1 (516) *** ****

Gillian Bartell's Phone number

+1 (516) *** ****

Latest update

October 11, 2025

Location

Old Westbury, New York, United States

Gillian's current employer

Two Sigma

Description

Two Sigma's scientists bring rigorous inquiry, data analysis, and invention to help solve the toughest challenges across financial services.

Website

twosigma.com

HQ Location

New York, NY, United States

Number of employees

1001-5000

Industry

Financial Services

Latest update

May 1, 2024

Read about Two Sigma

Frequent questions about Gillian Bartell

What company is Gillian Bartell working for?

Gillian Bartell works for Two Sigma.

What is Gillian Bartell's function at Two Sigma?

Gillian Bartell is Learning and Development Coordinator at Two Sigma.

Where is Gillian Bartell based?

Gillian Bartell is based out of Old Westbury, New York, United States.

What is Gillian Bartell's work email address?

Gillian Bartell's professional email address is g*****@twosig***.com

What is Gillian Bartell's personal email address?

Gillian Bartell's personal email address is g*****@gmai***.com

Who are Gillian Bartell's co-workers?

Gillian Bartell's colleagues are Melissa Gannon, Remco Lenterman, Marco Torre, David Siegel, Debbie Lo, Lisa Dobrinsky, Zia Williams, Matt Chesler, Ryan Mancinelli, John DiVito, Jeffrey Posnick, Michael Jowza, Matt Metlis, Roger Moussalli, Ryan Manthey, Zach Thorson, Keith Barr, Ziye Zhou, Konstantinos Iliopoulos, Ashley Babinecz, Fatima Chak, Aarushi Sanger, Joanne Matthews, Badri Asokan, Christian Stefansen, Alex Reynolds, Steven Gardella, Peter Chow, Jen Axelrod, Christopher Carrano, Divyanshu Vats, Amit Gosalia, Keyong Li.

Gillian's co-workers

Melissa Gannon

Office of the Co-Chairman

Remco Lenterman

Head of Global Business Development, CEO of Two Sigma Securities Europe

Marco Torre

Chief Executive Officer, Venn by Two Sigma

David Siegel

Co-Founder & Co-Chairman

Debbie Lo

Office Manager and Executive Assistant to Asia CEO

Lisa Dobrinsky

Vice President

Zia Williams

Senior Vice President, Modeling Engineering

Matt Chesler

Vice President, Software Engineer: Cloud Enablement

Ryan Mancinelli

Vice President, Human Resources

John DiVito

Vice President of Product Management, Data Engineering

Jeffrey Posnick

Vice President

Michael Jowza

Senior Vice President, HR Business Partner

Matt Metlis

Vice President

Roger Moussalli

Vice President, Quantitative Software Engineer

Ryan Manthey

Vice President, Investor Relations

Zach Thorson

Vice President, Two Sigma Real Estate

Keith Barr

VP Head of Design and Construction

Ziye Zhou

Vice President, Quantitative Software Engineer

Konstantinos Iliopoulos

Vice President / Software Engineer

Ashley Babinecz

Senior Vice President, HR Business Partner

Fatima Chak

Vice President, Benefits & Payroll

Aarushi Sanger

Vice President - Portfolio Finance Trading

Joanne Matthews

Senior Vice President EMEA

Badri Asokan

Vice President - Data productionalization platform

Christian Stefansen

Vice President

Alex Reynolds

Vice President, Employee Relations

Steven Gardella

Vice President, Treasury

Peter Chow

Vice President

Jen Axelrod

Vice President, Relationship Manager

Christopher Carrano

Vice President (Venn) at Two Sigma

Divyanshu Vats

SVP, Quantitative Research

Amit Gosalia

Vice President - Production Engineering Manager TSS

Keyong Li

VP Portfolio Management Engineering

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