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Management Biographies

Meet Our Executive Team


Mark WilliamsMark Williams

Mark Williams leads the strategic vision of Kroll Ontrack and is accountable for advancing and growing the company’s business lines through continued investment in technology innovation and service excellence. Williams is an innovator in the legal industry, drawing on his experience as both a lawyer and founder of a legal outsourcing company that challenged traditional models for the delivery of legal services. With more than 20 years of experience, Williams has a strong track record as a strategic business partner, lawyer, and senior executive, having navigated corporate business environments around the globe.

Formerly, Williams was a managing director with Huron Legal, where he led the $200 million Discovery Group and was instrumental in integrating business practices to enhance capabilities and improve synergies across business units. Before joining Huron, Williams was a senior vice president with Axiom Global, where he led the Managed Discovery Business with operations in the United States, Belfast and India. Williams was previously a corporate and finance partner with DLA Piper for almost 17 years where he was a key leader in the firm’s international expansion into Asia and the Middle East; he spent 4 years in China and served as managing partner in Beijing, and opened the firm’s office in Doha, Qatar.

Williams holds a JD from Columbia University School of Law, an MBA from the University of Maryland/Beijing University for International Business & Economics, a MSc in International Relations from The London School of Economics and Political Science, and a BA in Political Science from the University of Illinois. He earned a Project Management Certification from DePaul University and completed the DLA Piper Harvard Leadership Program at Harvard Business School.

Gregory A. OlsonGregory A. Olson
Senior Vice President, Worldwide Data Recovery and Software

Senior Vice President Greg Olson provides executive and strategic leadership for the global Data Recovery and Software business line. In his current role, Olson leads the strategic and tactical evolution of the world-class data recovery services and enterprise software solutions.

Olson joined the company in 1990 and has served in various executive leadership roles across operations, product line management and software development organizations. Olson is a globally recognized expert in the area of data recovery and an experienced executive with extensive operational, financial and technical knowledge with specialized expertise in the areas of data recovery, computer forensics, electronic discovery and software development processes.

Olson graduated cum laude from St. Cloud State University in Minn. with a bachelor's degree in electrical engineering.

Cathleen Peterson Cathleen Peterson
Senior Vice President, Consulting, Client Services and Operations

Cathleen Peterson is senior vice president of Kroll Ontrack Consulting, Client Services and Operations. In her role, Peterson is responsible for the strategy, growth and delivery of the client experience, and overseeing the day-today functions of client services and operations, as well as a full range of consulting services, including collection services, ESI consulting and review services.

Prior to joining Kroll Ontrack, Peterson was of counsel and the legal director of discovery analytics and review services for Orrick, Herrington & Sutcliffe LLP, where she consulted with clients and case teams on technology and all aspects of ediscovery, led the development of the firm's search analytics team and expanded discovery service offerings leveraging advanced technologies. Included in her many accomplishments, she designed, built and grew one of largest and most successful document review centers on the East Coast, deploying kCura's Relativity platform. Before joining Orrick, Peterson served as Counsel at WilmerHale, with an emphasis on large-scale SEC inquiries, complex litigation and internal investigations.

Peterson earned a Bachelor of Arts in Political Science from the University of Utah and a Juris Doctor from the University of Pennsylvania.

Brett AmdurBrett M. Amdur
Senior Vice President for U.S. Sales

As Senior Vice President for U.S. Sales, Brett M. Amdur is responsible defining the sales strategy and leading the business development team in order to grow Kroll Ontrack’s presence in the U.S.

Amdur has spent his career at the intersection of law, technology and sales innovation. Before joining Kroll Ontrack, Amdur was the Vice President of Sales at Daegis, Inc., a provider of ediscovery and archiving solutions. Amdur was also the founder and CEO of two successful technology startups, where he ran sales teams that brought innovative and disruptive solutions to traditional markets. One of these companies, Verilaw Technologies, became the leading provider of electronic document distribution systems for courts and lawyers, and was acquired by LexisNexis. At LexisNexis, Amdur was a Vice President of Market Development, where he ran business development initiatives associated with accelerating the adoption of electronic filing and related technologies. A former lawyer, Amdur spent six years as a law professor at Villanova Law School, where he also worked as the Director of the Center for Information Law and Policy. Amdur worked in private practice at several Philadelphia area law firms, and was a law clerk to two different federal District Court judges.

Amdur holds an undergraduate degree in Journalism from American University, earned his Juris Doctor degree from the University of Pittsburgh School of Law, and was a Master’s Degree candidate in Computer Science at Villanova University.

Steve SchleySteve Schley
Vice President of Marketing

As vice president of marketing, Steve Schley has oversight responsibility for corporate marketing strategy, brand execution and thought leadership programs. He holds deep experience with B2B software and services companies managing sales and marketing teams and transforming businesses through innovative go-to-market strategies.

Previous to Kroll Ontrack, Schley worked nearly ten years with CPA Global, most recently as vice president responsible for strategic planning and revenue growth in their legal services division. He is credited with developing the company’s first channel partner program, establishing a network of product/service partners, consultants and resellers. Prior to CPA Global, Schley was president of a Minneapolis-based software firm that provided accounting and productivity tools to the accounting and legal industries.

Schley received his MBA from the University of Wisconsin-Madison School of Business, followed by Executive Leadership Education from Harvard Business School. He earned his undergraduate degree from the University of Southern California in Entrepreneurship and Business.

Shawn AbbasShawn Abbas
Vice President, Finance

Shawn Abbas leads the organization's finance group and is responsible for financial analysis/reporting, budgeting and forecasting across all business lines. A globally experienced financial executive with broad expertise, Abbas brings deep proficiency to Kroll Ontrack in organizational strategic planning and implementation, process improvements, international business, accounting, auditing and financial management, among others.

Previously, Abbas held various management positions at Kroll Ontrack and Larson Allen.

Abbas earned his Bachelor of Science in Accounting from Minnesota State University, Mankato.