Callahan joins Bridge Growth Partners

Bridge Growth Partners LLC said Oct. 22 that Don Callahan has joined the firm as an executive partner. Callahan is the former global head of technology, operations and shared services of Citigroup.


Don Callahan Joins Bridge Growth Partners

Former Global Head of Technology for Citi to Serve as Executive Partner


New York, October 22, 2019 – Bridge Growth Partners, LLC, a leading technology investment firm, today announced that Don Callahan, former Global Head of Technology, Operations and Shared Services of Citigroup, has joined Bridge Growth Partners as an Executive Partner.  In this role, Mr. Callahan will work closely with the Bridge Growth Partners team to advise portfolio company executives on key business and operational initiatives and will serve on the firm’s Operating Review Committee.


“We are delighted that Don has chosen to join the Bridge Growth team,” said Alok Singh, Chief Executive Officer of Bridge Growth Partners. “His track record of leadership in using innovative technology, operations and enterprise solutions to transform global organizations such as Citigroup for success in the digital era is exemplary. Working with Don as a Board member of our portfolio company, Accedian, I know first-hand how helpful his deep sector expertise, perspectives on innovation and product development, and network of relationships have been to our management team there.  These qualities are tremendously beneficial to Bridge Growth as we build on the value of our portfolio and assess and execute additional investment opportunities.”


Joe Tucci, Chairman of Bridge Growth Partners, added, “I am pleased to welcome Don to our growing roster of Executive Partners. He has been a good friend and valued business partner for many years. Don has deep experience across technology and operations and a successful history of cultivating strategic growth and business improvement initiatives across major organizations by fostering a culture of innovation. His dedication to driving digital transformation aligns perfectly with our investment strategies to build valuable businesses. We are confident he will contribute immensely to BGP’s ongoing growth and long term development as a technology investment firm.”


“I am excited to begin working alongside the highly experienced investors and enterprise technology partners at Bridge Growth,” said Mr. Callahan. “Through Accedian, I’ve come to see and appreciate first-hand Bridge Growth’s ability to help define and sharpen a winning strategy, their deft touch in building and supporting a world-class team, and their insightful approach to investing with conviction to build a great company.  Their deep understanding of the technology industry and the disruptive change it is driving in all business organizations, combined with their senior relationships across the technology landscape and proven private equity experience, gives Bridge Growth a truly unique capacity to invest successfully in an enormous array of business transformation opportunities.”


About Don Callahan

Acknowledged internationally as a leader in both the financial services and technology industries, Mr. Callahan previously served as Chief Administrative Officer and Global Head of Operations and Technology at Citigroup. He retired from Citigroup in December 2018 and now serves as Executive Chairman of TIME USA, the publisher of Time Magazine, where he is leading a comprehensive digital transformation of this iconic media brand. He also serves on the boards of Tata Consultancy Services, Ltd., WEX, Kore AI, Capco, and Accedian, a Bridge Growth Partners-backed company.


At Citigroup, Mr. Callahan managed a complex set of businesses and services spanning more than 100 countries, a multi-billion dollar operating budget and critical systems infrastructure including the bank’s cyber security initiatives. He most recently led a top-to-bottom transformation of operations and technology, helping move the global bank from a collection of independent and dispersed entities into a lean, fully integrated enterprise. Mr. Callahan also established globally consistent technology standards and governance, and migrated critical functions to an integrated, managed, shared services model. As a result, in 2017, Citi was named by the Gartner Group as the most efficient of all major global banks in generating income per dollar of IT spending.


Earlier in his career, Mr. Callahan spent 12 years at IBM, where he held a number of management positions, including director of strategy for IBM Japan.


He is also on the business committee of the Metropolitan Museum of Art, a fellow at the Foreign Policy Association and on the boards of Columbia Teachers College, the American Red Cross New York Region and the New York Hall of Science. He holds a Bachelor’s in History from Manhattanville College, where he serves as trustee chair emeritus.


About Bridge Growth Partners

Bridge Growth Partners, LLC is a private equity firm that targets investments in the technology and technology-enabled services sectors. Bridge Growth Partners brings together in one team premier investment, financial, operating, and strategic business building talent. The firm is committed to relationship-based investing, with a focus on creating value through talent management, operational excellence and world-class governance at its portfolio companies.


For more information about Bridge Growth Partners, please visit