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


Interested in machine learning and #ediscovery? Check out yesterday's webinar to learn more

We are thrilled to welcome Jennifer Davies as our new product manager!

We're teaming up with @BloombergBNA on June 28 to host an event on controlling litigation costs. More info here: