Constantinos started his career in assurance and business advisory with the Phoenix, Arizona office of Deloitte USA, supporting major private and public corporations from various industries in the pacific southwest region. He later joined PwC where he held senior roles in the firm’s tax & legal services department, advising clients from all over the world on tax matters around M&A and other cross border transactions.
He joined Abacus in 2007, where he led business advisory for many years. He has been advising clients from all over the world on cross border deals, capital raising and deal structuring, as well as regulation, corporate governance and private/family matters, including inheritance, estate planning and wealth structuring. He took over as the firm’s CEO in January 2024. Constantinos has extensive experience in alternative investments, with an emphasis in private equity and venture capital. He has served on a number of boards of European organisations and currently participating in advisory committees and boards of directors of leading European private equity houses.
Constantinos studied at the W. P. Carey School of Business at Arizona State University where he received a BSc degree in Accountancy from the Barret Honors College. He also holds an MBA and is an accredited member of the American Institute of Certified Public Accountants. He qualified as a CPA in the State of Arizona during his time with Deloitte in Phoenix.