Andersen 集团 ANDG

Mark Vorsatz has been the Chief Executive Officer and the Managing Director of our Private Client Services practice since co-founding Andersen in 2002, and has been a member of Andersen Group Inc.'s Board of Directors and Chairman since April 2025. Mr. Vorsatz has also been the Chairman of Andersen Global since 2013 and Chairman of the boards of directors of MD Management LLC (MDM) and MD Investment LLC (MDI and together with MDM, the Management Holdcos) since January 2025 until the Management Holdcos merged with and into Andersen Aggregator LLC in connection with the reorganization transactions prior to our initial public offering. Since the reorganization transactions, Mr. Vorsatz serves as a member of the board of directors of Andersen Aggregator LLC. Mr. Vorsatz has been instrumental in the formation of Andersen's worldwide presence, spearheading the establishment and expansion of Andersen Global into more than 500 locations across the world. In addition to his management responsibilities as Global Chairman and Chief Executive Officer, Mr. Vorsatz continues to provide tax services, working exclusively with individuals in the design and implementation of customized income tax and estate planning solutions. Mr. Vorsatz has also served as the Chairman of the Andersen Institute for Finance and Economics since 2023 and on the board of directors of several privately held companies. Prior to founding Andersen, Mr. Vorsatz joined Arthur Andersen in 1979, and served as Partner from 1987 until 2002. Mr. Vorsatz holds an A.B. in Political Science and Economics from Stanford University and a J.D. from University of California, Hastings College of Law.

Peter Coscia has been Andersen's East Regional Managing Director since January 2024, overseeing the provision of comprehensive tax services across the U.S. eastern region and Caribbean. Mr. Coscia has also served as a member of the boards of directors of MDI and MDM since 2018 until the Management Holdcos merged with and into Andersen Aggregator LLC in connection with the reorganization transactions prior to our initial public offering. Since the reorganization transactions, Mr. Coscia serves as a member of the board of directors of Andersen Aggregator LLC. Mr. Coscia has served in various leadership positions at Andersen since 2002, including Managing Director of the Metro New York office from May 2018 until December 2023. Prior to Andersen, Mr. Coscia worked as a Senior Tax Manager at Deloitte Tax, LLP in 2002 and at Arthur Andersen from 1991 until 2002. Mr. Coscia holds a B.B.A. in Public Accounting from Pace University and a J.D. from Brooklyn Law School.

Joseph Karczewski has been a member of Andersen Group Inc.'s Board of Directors since December 2025. Mr. Karczewski has been with Andersen since 2006 and currently serves as a Managing Director, as a member of Andersen Global's Board of Directors, and as a member of the board of directors of Andersen Aggregator LLC. During his time at Andersen, Mr. Karczewski has held various leadership roles and continues to provide federal tax planning services for private equity firms, private and public companies and families. Prior to joining Andersen, Mr. Karczewski served as a Tax Partner at KPMG LLP from 2003 until 2006, and between 2002 and 2003, Mr. Karczewski was a principal at Lake Capital LLC, a private equity firm. Mr. Karczewski also held several roles at Arthur Andersen between 1983 and 2002, including as a World Wide Partner starting in 1993 and as the Market Leader for the Chicago Office's Technology, Media and Communications industry beginning in 2001. Mr. Karczewski holds a B.B.A. in Public Accounting from Loyola University Chicago and a J.D. from DePaul University College of Law.

John F. Nicolai has been a member of Andersen Group Inc.'s Board of Directors since July 2025. Mr. Nicolai is a former Managing Member of Greer Anderson Capital, an investment advisory firm, from 2012 until 2016. Between 1974 and 2011, Mr. Nicolai held various positions at Ernst & Young. While at Ernst & Young, Mr. Nicolai was admitted as a Partner in 1983, served as the Partner in Charge of the International Tax Practice from 1985 until 1994, and as Managing Partner of the San Francisco Office, one of Ernst & Young's largest offices, between 1995 and 2000. Additionally, Mr. Nicolai also served as the Far East Area Managing Partner of Tax, participating as a leading member of Ernst & Young's expanding global tax strategy, from 2001 until 2007. Between 2008 and 2009, Mr. Nicolai was the Area Managing Partner, responsible for the integration of the Far East Country Practice, which consisted of efficiently combining the operations, practices and services across countries in the Eastern Hemisphere. Until his departure from Ernst & Young in 2011, Mr. Nicolai served as a consultant for the Far East Area Practice. Mr. Nicolai also has significant experience working as a trustee, including his service on the University of San Francisco (USF) Board of Trustees from 2002 until 2011, and from 2012 until 2022, including as Chairman of the Board of Trustees from 2019 until 2022. Mr. Nicolai currently serves as a trustee emeritus on the Finance Committee and Investment Committee of USF since 2023, and has been a trustee for two private charitable foundations since 2011. Since 2016, Mr. Nicolai has worked as an independent director and trustee of JF Nicolai Consulting, which provides advisory services to family offices and private foundations. Mr. Nicolai holds a B.S. in Accounting from the University of San Francisco.

Robert V. Gunderson, Jr. has been a member of Andersen Group Inc.'s Board of Directors since July 2025. Mr. Gunderson is a founding partner and Chairman Emeritus of the law firm of Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP, where he practiced from 1995 through December 2021. Gunderson Dettmer is an international law firm focused on the innovation economy with over 350 lawyers and over $550 million of revenue for the year ended December 31, 2025. Gunderson Dettmer has been ranked as the #1 venture capital law firm globally by PitchBook since 2014. Mr. Gunderson is a Fellow of the American College of Governance Counsel. Mr. Gunderson has been a director of a number of public companies, including, most recently, Theravance Biopharma, Inc. from 2013 to September 2021, and numerous private companies over the past 30 years. Mr. Gunderson holds an M.A. in Philosophy from Stanford University, an M.B.A. from The Wharton School, University of Pennsylvania, and a J.D. from The University of Chicago, where he was Executive Editor of The University of Chicago Law Review. Mr. Gunderson's bar memberships are currently inactive.

Dorice Pepin has been a member of Andersen Group Inc.'s Board of Directors since December 2025. Ms. Pepin has been with Andersen since 2007 and has served as Regional Managing Director for the Central Region since March 2023, overseeing the provision of comprehensive tax services and assisting clients with planning for the effects of business acquisitions, reorganizations, tax examinations and changes in tax law for multistate and multinational business operations. Since January 2024, Ms. Pepin has also served as a member of the CEO Nominating Committee, and since 2017, as a member of Andersen Global's Board of Directors and a member of its Partner Admissions Committee. While at Andersen, Ms. Pepin has held various roles, including as a non-board member of the Compensation Committee of Andersen Tax LLC from 2010 until 2014 and as the State and Local Tax Client Group Leader from 2009 until 2019. Prior to joining Andersen, in 2004, Ms. Pepin co-founded True Partners Consulting, a tax compliance consulting firm, and served as a founding partner until 2006. Ms. Pepin also worked as a Partner at Deloitte Tax, LLP from 2002 until 2004 and at Arthur Andersen from 1987 until 2002. Ms. Pepin holds a B.S.C. in Accountancy and an M.S.T. in Taxation from DePaul University.

Neal Livingston has been Andersen's Chief Financial Officer since January 2025 and Andersen Group Inc.'s Chief Financial Officer since April 2025. Prior to joining Andersen, Mr. Livingston served as the Global Chief Financial Officer for Freshfields, an international law firm, leading the firm's finance division on a global scale from November 2021 until December 2024. From October 2016 until October 2021, Mr. Livingston was the Global Chief Financial Officer at Dentons, one of the largest international law firms in the world, overseeing all aspects of the firm's global strategic and operational finance functions. While at Dentons, Mr. Livingston was also a member of the Global Management Committee and Global Board. Before entering the legal sector, Mr. Livingston primarily worked in banking, including leadership and management roles at the Commonwealth Bank of Australia from 2013 until 2016, the Royal Bank of Scotland from 2011 until 2013, Standard Chartered Bank between 2006 and 2011, Andersen Worldwide from 1992 until 2004 and Bank of America between 1988 and 1992. Mr. Livingston holds a B.A. in Business Administration from University of Brighton and an M.B.A. from UNC Charlotte Belk College of Business.

William Deckelman has been Andersen's Chief Legal Officer since January 2025. From July 2024 through December 2024, Mr. Deckelman served as Executive Vice President of the Howard Baker Forum, an organization that facilitates a variety of public policy programs and research projects, and a Senior Public Policy Advisor/Of Counsel at the law firm, Baker Donelson. Between 2008 and March 2024, Mr. Deckelman was the Executive Vice President and General Counsel of DXC Technology Company and its predecessor, a multinational information technology services and consulting company. Prior to joining DXC, Mr. Deckelman held various general counsel and in-house legal positions at several information technology companies, including Affiliated Computer Services, Inc., Electronic Data Systems Corporation and MTech Corp., and worked as an associate at Winstead PC and, later, as a partner at Munsch Hardt Kopf & Harr, PC, both of which are Texas-based law firms. Throughout his career, Mr. Deckelman has served on a number of advisory boards and as a member of the board of directors of BriefBox Technology, an enterprise legal software company. Mr. Deckelman holds a B.A. in Political Science and an M.B.A. from Arkansas State University, a J.D. from University of Arkansas School of Law, an L.L.M. from Georgetown University Law Center, and an Executive L.L.M. from The London School of Economics and Political Science.

On April 27, 2026, the Board of Directors of Andersen Group Inc. appointed Susan Decker as a member of the Board.