Leadership
Expertise Driving Innovation
in Legal Technology.
Decades of expertise in eDiscovery, compliance, and litigation technology — built on deep industry insight, driving the future of legal innovation.
Visionaries Behind Altorney
Built by founders who've shaped this industry for decades.
Founded in 2022 by brothers Shimmy and Rachi Messing, Altorney is breaking new ground in legal technology, developing innovative solutions that modernize the legal industry. With decades of expertise in eDiscovery, compliance, and litigation technology, they set out to create smarter, more efficient tools to meet the industry's evolving needs. Built on deep industry insight, Altorney is driving the future of legal innovation—streamlining complex processes, enhancing transparency, and empowering legal teams to work smarter and faster.
Shimmy Messing
With over 20 years in executive management, eDiscovery, and litigation technology, Shimmy Messing has built a reputation as a leader in innovation and operational efficiency. A proven expert in people, processes, and technology, his ability to drive efficiency and exceptional client experiences has made him a leading force in the industry, with multiple successful exits.
In 2022, Shimmy co-founded Altorney with his brother, Rachi. Previously, he co-founded Responsive Data Solutions in 2007, an outsourced legal technology provider for law firms and corporate legal departments. After merging with Advanced Discovery in 2014—backed by private equity firm Trivest—he became CTO and helped grow the company fivefold before its acquisition by Consilio in 2018. Earlier in his career, he served as Director of Operations, Electronic Services at Merrill Corporation.
Shimmy holds a Bachelor of Science in Business Administration and Computer Information Systems from Towson University. He has invested in early- and late-stage ventures across fintech, eCommerce, healthcare, real estate, nanotechnology, and professional services. He lives in Baltimore, Maryland, with his wife and three children.
Rachi Messing
Rachi Messing is a recognized leader in the eDiscovery industry, bringing 25 years of experience in global compliance and technology strategy across both service providers and software development. In 2022, he co-founded Altorney with his brother, Shimmy.
Previously, Rachi was a Senior Program Manager at Microsoft in the Corporate, External & Legal Affairs (CELA) department, where he managed and promoted advanced technology solutions for the eDiscovery team. Before that, he spent four years in the Office 365 Information Protection product group, helping develop eDiscovery, data governance, and compliance features.
Rachi has held key leadership roles throughout his career, including as part of the Equivio management team, a founding team member at DiscoverReady, and managing eDiscovery at RLS. He began his career at Merrill Corporation and currently serves as an advisory board member for ACEDS and EDRM.
David Brenner
With nearly 30 years in information technology, David Brenner is a seasoned executive, developer, and industry innovator specializing in eDiscovery and legal technology. For the past 15 years, he has developed and managed software systems that drive innovation and enhance team performance. An early adopter of Microsoft's SQL Server database platform, David has been developing within Microsoft's tech stack since the 1990s. His ability to build revenue-generating systems, lead high-performing teams, and drive operational efficiency has made him a key force in the industry.
Before joining Altorney, David worked alongside Shimmy as VP of Software at Advanced Discovery and Director of Software at Responsive Data Systems, where he developed scalable solutions that gave both companies a competitive edge, contributing to their successful exits. He has also co-founded multiple startups in healthcare, eCommerce, and medical research.
David earned his B.S. from Northwestern University and lives in Israel with his wife and two grown children. Outside of work, he plays bass guitar in multiple bands, is an avid sports fan, and starts each morning with yoga followed by a run in his neighborhood.
Steve Goldstein
Stephen Goldstein is a seasoned legal technologist with over 30 years of experience at the intersection of law and technology. Recognized as an expert in eDiscovery, he has pioneered cutting-edge solutions—from the early adoption of predictive coding (TAR) to today's innovative work with generative AI.
Stephen has held senior leadership roles at multiple top global law firms, including Jones Day, McDermott Will & Emery, and most recently Squire Patton Boggs, where he served as Global Director of Practice Support. In these positions, he led high-profile investigations and large-scale eDiscovery initiatives while providing strategic guidance on technical solutions and process efficiencies across all practices. By bridging the gap between legal expertise and emerging technologies, he has empowered both teams and clients to navigate complex market shifts with confidence.
A respected thought leader and frequent speaker, Stephen regularly shares his insights on electronic data discovery, AI in law, and litigation technology. He has contributed to the Electronic Discovery Reference Model (EDRM) project, served as a member of The Sedona Conference® Working Group on Electronic Document Retention and Production, and presented legal technology seminars at several law schools. Over the course of his career, he has witnessed—and shaped—the industry's evolution from DOS-based tools in the 1990s to today's AI-driven analytics.
As the legal landscape continues to evolve, Stephen remains at the forefront, partnering with forward-thinking professionals to chart the next phase of legal service delivery. Through his commitment to improving processes and driving practical change, he helps corporate legal functions and law firm services adapt and succeed in a rapidly changing industry.