John Tredennick, Catalyst CEO

John Tredennick, Founder and Chief Executive Officer

Over the past 30 years, John Tredennick has spoken before more national and international audiences ... >>

John Tredennick, Catalyst CEO

John R. Barr, President

A veteran executive, John oversees Catalyst’s operations, development and internal management. He is... >>

Larry Barela, Catalyst CTO

Larry Barela, Chief Technology Officer

Larry Barela plays an important and strategic leadership role at Catalyst. He is responsible for sha... >>

Lew Visscher, Catalyst CFO

Lewis Visscher, Chief Financial Officer

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

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

Bruce Kiefer, Vice President Platform

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

TJ Gill, Catalyst VP of Sales

TJ Gill, Vice President of Sales

TJ Gill has been developing vertical channel partner programs in the legal, mortgage and document ma... >>

Robert Berger, Vice President of Marketing

Robert Berger, Vice President of Marketing

Robert Berger is a veteran Silicon Valley marketing executive who advised such technology pioneers a... >>

Adam Barr, Vice President, Professional Services

Adam Barr has more than a decade of consulting experience in the litigation support and e-discovery ... >>

Derrell Craig, Vice President, Product Services

As vice president of product services, Derrell Craig is responsible for ensuring that the end users ... >>

Dave Sanner

David M. Sannar, Vice President of International Development

A veteran e-discovery executive with extensive experience in Asia and the Pacific, Dave Sannar is re... >>

About Catalyst

Catalyst designs, builds and hosts the world’s fastest and most powerful document repositories for large-scale discovery and regulatory compliance. We back our technology with a highly skilled Professional Services team and a global partner network to ensure the best e-discovery experience possible.
Catalyst Repository Systems

1860 Blake Street, 7th Floor
Denver, CO 80202

Phone: 303.824.0900 | Toll Free: 877.557.4273
Fax: 303.293.9073 |  Privacy PolicyPrivacy Shield


We're hitting the road! Join us for our TAR in the Round Roadshow in Florida! Attendees will be eligible for CLE…

Mired in the marketing hype of AI and Deep learning? @acedsonline Webinar details how AI is used in #eDiscovery:…

Crisis Management After a Data Breach