William Theisinger - Email & Phone Number

VP, Data Platform Engineering at System1

William Theisinger is based out of Los Angeles, California, United States and works at System1 as VP, Data Platform Engineering.

William Theisinger's Contact Information

William Theisinger's Work email

w*****@syste***.com

Valid

Latest update

September 18, 2025

Location

Los Angeles, California, United States

William's current employer

System1

Description

System1 connects high intent customers with advertisers at scale

Website

system1.com

HQ Location

Marina del Rey, CA, United States

Number of employees

501-1000

Industry

Technology, Information And Internet

Latest update

May 1, 2024

Read about System1

Frequent questions about William Theisinger

What company is William Theisinger working for?

William Theisinger works for System1.

What is William Theisinger's function at System1?

William Theisinger is VP, Data Platform Engineering at System1.

Where is William Theisinger based?

William Theisinger is based out of Los Angeles, California, United States.

What is William Theisinger's work email address?

William Theisinger's professional email address is w*****@syste***.com

Who are William Theisinger's co-workers?

William Theisinger's colleagues are Paul Filsinger, Stewart Marlborough, Michael Blend, John Fries, Chuck Ursini, Michael Schaffer, Jonah White, Stacey Monn-Vudrag, Doug Berger, David Cummings, Kerstin Gibson, Angela Nightingale, Scott Birnbaum, Lila Hunt, Mark Huerta, Becky Carlson, Tridivesh Kidambi, Shane Landry, Steven Green, Michael Snow, Avi Raju, Steven Ashby, Jon Wyman, Josh Fishman, Kelly Winternheimer, Alex Kontos, Jaime Guerrero, William Huhnerkoch, John Phillips, Natasha Aleksic, Alie O'Neill, Louis Wilbrink, Sashi Dahal, David Denton.

William's co-workers

Paul Filsinger

President

Stewart Marlborough

President, Organic Business and Corporate Development @ System1

Vice President of Machine Learning and Data Science

Stacey Monn-Vudrag

VP, Strategic Communications

Doug Berger

VP of Product & Business Development, MapQuest

David Cummings

VP of Engineering

Kerstin Gibson

SVP | Strategic Partnerships | Search Monetization

Angela Nightingale

VP, Editorial

Scott Birnbaum

Senior Vice President of Marketing

Lila Hunt

vice president, display

Mark Huerta

SVP, Search

Becky Carlson

Vice President People Team

Vice President of Taxes

Avi Raju

VP of Product

Steven Ashby

Vice President of Product, Consumer

Jon Wyman

VP, Partnerships & Growth

Josh Fishman

VP, Business Development

Kelly Winternheimer

Vice President Corporate Development and Operations

Alex Kontos

Vice President of Engineering

Jaime Guerrero

Manager - Cloud Infrastructure

William Huhnerkoch

Chief Accounting Officer (CAO)

John Phillips

Director of Product Management, Taxonomy

Natasha Aleksic

Director of Product Management

Sr. Director of Product Management

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