Mr. Stone founded SS&C Technologies, Inc., or SS&C, the primary operating company and wholly owned direct subsidiary of SS&C Technologies Holdings, Inc., in 1986 and has served as Chairman of the Board of Directors and Chief Executive Officer since our inception. He also has served as our President from inception through April 1997 and again from March 1999 until October 2004. Prior to founding SS&C, Mr. Stone directed the financial services consulting practice of KPMG LLP, an accounting firm, in Hartford, Connecticut and was Vice President of Administration and Special Investment Services at Advest, Inc., a financial services company.
On February 3, 2020, Mr. Boulanger retired as an employee of SS&C, after serving in a number of roles since 1994. Mr. Boulanger continues to serve as a director on our Board. He was elected to serve as a director in 2006 and appointed Vice Board Chair in August 2018. He served as our President and Chief Operating Officer from October 2004 to February 2020, our Executive Vice President and Chief Operating Officer from October 2001 to October 2004, Senior Vice President of SS&C Direct from March 2000 to September 2001, Vice President of SS&C Direct from April 1999 to February 2000, Vice President of Professional Services for the Americas, from July 1996 to April 1999, and Director of Consulting from March 1994 to July 1996. Prior to joining SS&C, Mr. Boulanger served as Manager of Investment Accounting for The Travelers from September 1986 to March 1994.
Ms. Conjeevaram joined our board of directors in November 2015, previously served on our Nominating and Governance Committee, has served on the Audit Committee since 2017, and was appointed Chair of the Audit Committee in November 2022. Ms. Conjeevaram retired in 2013 after a 19-year career in the global investment and hedge fund firm industry. Her most recent position was as the Chief Financial Officer – Credit Hedge Funds, and Deputy Chief Financial Officer – Credit Funds, of the Fortress Investment Group LLC, where she served from 2010 to 2013. Prior to that, Ms. Conjeevaram served as the Chief Financial Officer of Everquest Financial LLC from 2006 to 2009 and Strategic Value Partners LLC from 2004 to 2005. Ms. Conjeevaram began her career as a tax specialist at two Big-4 public accounting firms and is a certified public accountant. She currently serves on the Boards of Directors of the following public companies: McGrath RentCorp, SkyWest, Inc. and WisdomTree Investments, Inc.
Mr. Varsano was elected as one of our directors in March 2011, has served on the Audit Committee since 2011, and was appointed Chair of the Nominating and Governance Committee in 2016. He is currently the Chairman of the Board and Chief Executive Officer of Pacific Packaging Products, a company specializing in industrial packaging and related solutions and supply chain management services, which he joined in September 1999. Prior to joining Pacific Packaging Products, Mr. Varsano served as the Chief Technology Officer and Vice President of Software Development of SS&C from 1995 to 1999 and as Manager of SS&C Direct from 1998 to 1999. Mr. Varsano was formerly on the Board of Directors of Packaging Distributors of America.
Mr. Michael was elected as one of our directors in April 2010, has served on the Nominating and Governance Committee since 2013, the Audit Committee from 2010 to June 2024 for which he was Chair for six years, the Compensation Committee since June 2024 for which he has been Chair since then, and as our Lead Independent Director since November 2022. He retired as Chief Executive Officer of RLI Corp., a publicly traded specialty insurance company, at the end of 2021, and subsequently retired as Chairman of its Board in May 2024. Mr. Michael held various other positions at RLI Corp. since joining in 1982, including President and Chief Operating Officer, Executive Vice President, and Chief Financial Officer. He currently serves as an independent board member of Markel Group Inc., Chairman of the Board of TADA Cognitive Solutions, LLC, and Chairman of the Board of Bradley University Board of Trustees. He is also a member of the OSF St. Francis Medical Center Community Advisory Board, Easterseals Central Illinois Foundation Board, and the Gilmore Foundation Board.
Ms. Debra Walton-Ruskin was elected as one of our directors and as a member of the Nominating and Governance Committee and our Audit Committee in 2024. She was also elected to serve on our Audit Committee in June 2024. She has spent her career in Global Fintech and had held senior executive positions across product, content, sales, marketing, and data operations. In her last corporate role, she was the Chief Revenue Officer for the London Stock Exchange Group from 2021 to 2022. Prior to that, she was a member of the senior executive team at Refinitiv from 2018 to 2021 that lead its successful sale to Blackstone and its subsequent sale to LSEG. Prior to its sale, Debra held numerous C-suite roles at Thomson Reuters/Refinitiv from 2008 to 2018 including Global Head of Market Development, Chief Data Officer, Chief Product Officer, and Chief Revenue Officer. From 2016 – 2021, as an executive at Thomson Reuters/Refinitiv, and later LSEG, Debra was a director on the board of TradeWeb Markets, a leading, global operator of electronic marketplaces for rates, credit, equities and money markets. Also, during her time at Thomson Reuters/Refinitiv, she served on the boards of its regulated entities including the foreign exchange brokerage and index business. Prior to joining Thomson Reuters/Refinitiv Debra was a partner at Cantor Fitzgerald where she was instrumental in the development of new brokerage business and services including the launch of the Cantor Financial Futures Exchange on whose Board of Directors she served. She currently serves on the Board of Directors of Chef’s Warehouse, Inc., a public company.
Ms. Walton-Ruskin speaks globally on diversity and leadership and the importance of ESG more broadly, and currently serves on the board of Springboard Enterprises, a nonprofit that brings together entrepreneurs, investors, and industry experts to help women take their business plans to market.
Mr. Zamkow was elected as one of our directors in June 2014 and has served on our Compensation Committee since 2016. He retired from Goldman Sachs in November 2001 after a 17 year career, where he was a partner from 1994 to 2001. From 1999 to 2001, Mr. Zamkow was responsible for Goldman Sachs’ fixed income, currency and commodities business. He is a former member of the Board of Trustees of Northeastern University.
Mr. Vanni d’Archirafi was appointed by the Board of Directors of SS&C in March 2025. He became a member of the Compensation Committee in May 2025 and joined the Nominating and Governance Committee in July 2025. He has spent most of his professional career at Citigroup, where he has held numerous leadership positions including CEO of Citigroup Holdings from 2013–2018, CEO of Citi Global Transaction Services from 2009–2013, Global Head of Citigroup Treasury and Trade Solutions from 2007–2009, Chair of Citibank Europe plc from 2005 2017 and Chair and CEO of Citi International plc from 2001-2004. He is currently Chairman of the Board of Euroclear Holding SA/NV and Euroclear SA/NV, an independent member of the Board of Directors and Chair of the Audit Committee of Mapfre SA, and a Board Member of the Euroclear Foundation. He is also a member of the Advisory Council of Grimaldi Alliance, Co-chair of the Advisory Council of The Kogod School of Business at American University and an International Advisory Board Member of IESE Business School. Mr. Vanni d’Archirafi is Emeritus Governor of Junior Achievement Worldwide and sits on the Board of Trustees of United Way Worldwide and serves as trustee or board member for several other charitable foundations