Meet the people who drive Catalyst’s vision, strategy and business operations.

John Tredennick, Catalyst CEO

John R. Barr, Chief Executive Officer

John is the chief executive of Catalyst and is responsible for the vision, strategic direction and... >>

Lew Visscher, Catalyst CFO

Lewis Visscher, Chief Financial Officer

Lewis Visscher brings over 20 years of diversified business advisory, management, operational, fin... >>

TJ Gill, Catalyst VP of Sales

TJ Gill, Vice President, Sales

TJ Gill brings more than 25 years’ experience in legal and technology sales leadership. As vice pr... >>

Bruce Kiefer, Catalyst VP of Hosting Applications and Director of R&D

Bruce Kiefer, Vice President, Engineering

Bruce Kiefer directs Catalyst's Platform Group, which includes development, systems engineering, p... >>

John Tredennick, Catalyst CEO

Daniel Au Yeung, Vice President, Product Management

Daniel Au Yeung is seasoned e-discovery veteran with more than 26 years in the e-discovery and lit... >>

Rachel Teisch

Rachel Teisch, Vice President, Marketing

Rachel brings 18 years’ experience in e-discovery technology and services. As vice president of ma... >>

Bruce Kiefer, Catalyst VP of Hosting Applications and Director of R&D

Eric Willis, Vice President, Enterprise Solutions

Eric Willis is a veteran business leader with more than 15 years’ experience in e-discovery and law... >>

Featured Team Member


Niki Nelson

As a manager of client services, Niki works with our larger corporate clients and oversees the related Professional Services teams. She provides ongoing management and oversight services and brings a broad background in litigation technology to her role. Before joining Catalyst in 2011, Niki was a senior project manager for Stratify. Niki got her start in the litigation support industry working for PricewaterhouseCoopers as a certified forensic examiner, managing many large-scale forensic investigations. She has a B.S. in computer science from Ohio University.

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About Catalyst

Catalyst designs, builds, hosts and supports the world’s fastest and most powerful e-discovery platform. For 20 years, Catalyst has helped global corporations reduce the total cost of discovery and take control of complex, large-scale discovery and regulatory compliance.

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