
Damon Reissman
President
Mr. Reissman has over 22 years of litigation and investigation consulting, digital forensics, eDiscovery, and information and data management experience.
Damon Reissman is the President of Celerity Discovery, a fully-owned subsidiary of Celerity. He specializes in digital forensics, electronic discovery, data analysis, data mapping, information management, and legal operations, serving his clients on complex litigation, internal and regulatory investigations (SEC, DOJ, FTC, FCPA, etc.), and incident response. Before joining Celerity, Mr. Reissman worked for Deloitte Transaction and Business Analytics LLP and PricewaterhouseCoopers LLP serving his clients in a similar capacity.
Mr. Reissman has led hundreds of matters spanning the Electronic Discovery Reference Model (EDRM), both within the US and cross-border covering over 30 countries. He has supported clients in many industries, with his primary foci being Energy and Utilities, Technology, Life Sciences, Financial Services, and Law Firms.

Norman Yee
Vice President & Chief Operating Officer
Norman has over three decades of experience in discovery strategy, preservation and collection from complex and disparate systems, technology-assisted review, computer forensics, and data analytics. He has taken the lead in architecting e-discovery solutions for some of the largest and highest-profile cases in the country. In addition to managing numerous complex projects from initial strategy to implementation, he has developed customized methodologies for correlating and quantifying structured data in support of clients’ investigations and claims.
Before joining Celerity Discovery, Norman co-founded Certus Consulting Group, a litigation consulting firm, after starting his career at Peterson Consulting. He has presented numerous CLE and educational seminars related to advanced technology to government agencies, law firms, and corporate counsel. Norman graduated from UC Berkeley with a B.S. in Business Administration.

Chris Purdy
Vice President of Litigation Services
Chris has nearly three decades of experience in the litigation consulting arena, and leads Celerity’ Discovery’s Data and Damages Analysis practice. He has managed all aspects of the firm’s most complex and high-profile data analysis engagements, including data collection, database development, authoring of Expert and 1006 Summary Witness Reports, and submission of written and live testimony. In the data collection and database development phases, Chris develops and implements strategies to ensure gapless data collections, identifies critical relations between multiple tables and databases, and validates and ensures the integrity of all relevant data fields. In support of case strategy and in development of Expert Reports, Chris works with his clients to identify key case issues and the data sets that speak to those issues, and develops compelling and robust analyses and exhibits based upon that data.
In addition to his work related to Data and Damages Analysis, Chris has decades of experience in developing discovery strategies and in managing collections, data processing, review, and productions. Prior to joining Celerity Discovery, Chris was a co-founder of Certus Consulting Group, a litigation consulting firm, and a Project Manager at ZIA Information Analysis Group. Chris received his Bachelor’s Degree from the University of Delaware and is a certified Project Management Professional (“PMP”).

Bryant Gauthier
Vice President of Celerity Discovery
Bryant Gauthier has over 20 years of experience in legal services and consulting, focusing on the nexus of technology with litigations and investigations. He has built and led operational and consulting teams within legal services, including trial services, information governance, analytics, and eDiscovery. He has led legal service teams at multiple top-rated law firms and within a Fortune 20 corporation, bringing a client focus to all his roles.
Currently serving as the Vice President of Celerity Discovery, a fully-owned subsidiary of Celerity, Bryant is a trusted advisor to law firms and in-house counsel. His expertise lies in identifying cost-saving measures for data identification, eDiscovery, data analysis, data mapping, information governance, privacy, and legal operations. He has a wealth of experience in serving clients in complex litigations and investigations, including regulatory investigations (SEC, DOJ, CFPB, FERC, etc.) and congressional inquiries. Prior to his role at Celerity, Bryant held key positions at Huron Consulting, Skadden Arps, Buckley Sandler, Finnegan Henderson, and Xerox.
Bryant has led matters spanning the Electronic Discovery Reference Model (EDRM), with cases in North America, Asia, and Europe. He focuses on innovative solutions that reduce fees, time spent, and risk fees throughout the discovery process. He has supported Law Firm and In-House Legal teams in litigation, internal investigation, and government inquiries involving a variety of industries including Banking and Fintech, Energy, Transportation, Health Care, MDLs, Intellectual Property, Technology, and Pharmaceutical among other industries.

Joe Sciarrotta
Vice President of Celerity Discovery
Joe Sciarrotta joins Celerity with extensive experience in the public and private sectors. Immediately prior to Celerity, Joe was General Counsel at Sustainability Partners, LLC, an infrastructure investment company, handling the company’s legal matters. Before that, Joe commenced a successful public sector career. He became General Counsel to the Arizona Department of Administration and Chair of the Governor’s Regulatory Review Council. Joe then served as General Counsel to the Arizona governor. During his tenure in the Governor’s Office, he assisted in legal, policy, and legislative matters and directed high-profile litigation cases in state and federal courts, including the United States Supreme Court.
After serving as a Maricopa County Superior Court judge, Joe joined the Arizona Attorney General’s Office as Deputy Division Chief Counsel of the State Government Division. Thereafter, the Attorney General promoted him to Division Chief Counsel of the Civil Litigation Division where he managed and directed historic results in the Consumer Protection, Civil Rights, Tobacco Enforcement, and Collection sections. He also managed the Community Outreach section.
Joe began his career in the private sector with the law firm Fennemore Craig. Subsequently, he became in-house counsel to Fortune 500 companies Cendant Corporation (n/k/a Wyndham Worldwide), Allied Waste Industries, Inc. (n/k/a Republic Services, Inc.), and Meritage Homes Corporation. In these roles, he handled litigation and compliance dockets in excess of a billion dollars and strategized with senior management, as well as corporate and field personnel, regarding business transactions and developing company initiatives.
Joe earned his juris doctor degree graduating Order of the Coif from Vanderbilt University School of Law and was Chief Justice of the Vanderbilt Moot Court Board. He received his bachelor’s degree in political science from the University of Michigan, graduating Phi Beta Kappa and with High Honors.