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... >>

John Tredennick, Catalyst CEO

John Tredennick, Founder and Chief Evangelist

A nationally known trial lawyer and longtime litigation partner at Holland & Hart, John founde... >>

Lew Visscher, Catalyst CFO

Lewis Visscher, Chief Financial Officer

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

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 litigation support industry. He has a proven track record of helping to build successful companies, enhancing customer service and satisfaction and developing custom solutions when there were no viable a... >>

Derrell Craig, Vice President, Product Services

As vice president of product services, Derrell Craig is responsible for ensuring that the end users of our products receive an exceptional level of support. He is responsible for overseeing our project consultants, our Resolution Center, and our data loading, processing and production group. He al... >>

Bruce Kiefer, Vice President, Engineering

Bruce Kiefer directs Catalyst's Platform Group, which includes development, systems engineering, processing and productions and client support. He has worked in IT for many years, helping to build, deploy, manage, scale and repair networks and systems that solve problems. ... >>

Larry Barela, Vice President, Sales Engineering

Larry leads the sales engineering team at Catalyst, and is responsible for collaborating closely with clients to assess their technology needs and translate them into tailored solutions. In this capacity, Larry plays a critical role in overseeing research and development, and works closely with ou... >>

Adam Barr, Vice President, Professional Services

Adam Barr has more than a decade of consulting experience in the litigation support and e-discovery market. He leads Catalyst’s Professional Services group, managing teams that are focused on connecting users and corporations to our technology. His past experiences include designing standardized r... >>

TJ Gill, Vice President, Sales

TJ Gill brings more than 25 years’ experience in legal and technology sales leadership. As vice president of sales, TJ is responsible for strategic planning and execution of client development for multiple distribution channels. Since joining Catalyst in 2005, TJ has led P&L growth year over year... >>

David M. Sannar, Vice President, International Development

A veteran e-discovery executive with extensive experience in the Asia-Pacific region, Dave Sannar is responsible for all Catalyst operations and business growth throughout Japan and Asia, including our operations and data center in Tokyo. Dave has been immersed in the e-discovery industry since 20... >>

Eric Willis, Vice President, Enterprise Solutions

Eric Willis is a veteran business leader with more than 15 years’ experience in e-discovery and law. As vice president of enterprise solutions for Catalyst, Eric advises and collaborates with our corporate clients to design strategies that meet their current and future needs across the data manageme... >>

Featured Team Member


Niki Nelson

A senior consultant with Catalyst’s Professional Services team, Niki works with our larger corporate clients and is one of our most experienced project managers. 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 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.
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