Global financial services consulting firm Sionic has announced the appointment of private banking expert Stéphane Assemat as a Partner in its award-winning Wealth Management & Private Banking Practice, with a specific remit to expand the firm's reach across Switzerland and the Luxembourg region. Stéphane has over 30 years' experience in the financial industry, principally within fund administration, life insurance, and private banking, and is an expert in business operations transformation and payments. He joined Sionic from HSBC's private banking team, where he has held a number of senior roles including Head of Operations, Interim COO, Global Head of Treasury & Banking, Global Payment Product Owner and Payment Transparency Lead.