Alexandre von Heeren is a Partner of Mandaris AG (formerly Experta AG) and serves as the Executive Chairman of the board. He also heads the Private Client Services of Mandaris.
After having worked for Swiss Bank Corporation (now UBS) and Dexia, where he held executive positions in the legal and Financial Planning departments, Alexandre became the Managing Director of the former Dexia fiduciary and trust affiliate Experta, where he also served on the boards of its overseas trustee and Luxemburg fiduciary company.
Alexandre holds a law degree and a LL.M. in international business law with a specialization in banking, financial markets and insurance law.
Philippe de Salis heads the Swiss Fiduciary Operation of the Stonehage Group. He joined Stonehage in 2007 after working for several years as an attorney-at-law in Berne and then in Geneva, specialising in corporate and commercial law.
Philippe graduated from the University of Zurich in 1996 with a Law degree (Lic.iur.). He qualified as an attorney-at-law and was admitted to the Bar of the Canton of Berne in 1999. Philippe also obtained a Post Graduate Diploma in Law from the University of Geneva in 2004
Mark Barmes is a partner in the Private Client group at Lenz & Staehelin. He advises individuals and trustees in all aspects of wealth planning. He regularly advises in both international and domestic contexts, particularly assisting foreign private clients and trustees to establish themselves in Switzerland and to resolve disagreements. Mark Barmes is on the board of Swiss trustee companies and contributes actively in the field of wealth planning in Switzerland through membership and lecturing for STEP (Society of Trust and Estate Practitioners) and as a Committee member of the Swiss Association of Trust Companies (SATC).
Ariane Slinger is the CEO and main owner of ACE International SA in Geneva that she acquired through the MBO of the Swiss subsidiary of the British banking Group RATHBONES in 2009.
After having worked as a lawyer in Monte Carlo for 3 years, she started her career in the Trust industry at CITCO Group in Amsterdam in 1991.
Shortly after she became the Managing Director of the Luxembourg operation and during her 12 years within the CITCO Group she also reorganised the Geneva offices and set up the Monegasque operations.
After a two years-experience within the AMICORP Group she accepted in 2004 the position of Managing Director at Rathbones Trust Company SA, prior to acquiring the business.
Ariane holds Law Degrees in Corporate, Commercial and International Law.
She is an international lawyer with 30 years of expertise in International Corporate Structures, Estate Planning, Trusts and Foundations of all kinds for a worldwide corporate and private clientele.
Andrew McCallum is a Chartered Accountant (ICAS) and a registered auditor in Switzerland, the UK and Ireland. He is a TEP and is trustee on various family trusts. He also leads a portfolio of accounting and audit mandates for private and corporate clients.
He is Chair of the Swiss and Liechtenstein STEP Federation, is Treasurer and a committee member of STEP Geneva, is a member of the STEP Worldwide Professional Standards Committee, and has been co-organiser of the STEP Switzerland and Liechtenstein Alpine Conference held annually in Interlaken since its inception. He also sits on the Audit and Risk Commission of the International Federation of Red Cross and Red Crescent Societies.
He is a regular speaker at conferences, holds a MBA and in his spare time enjoys long-distance Ironman triathlons.
Andrew is Managing Director of Rhone Trustees (Switzerland) SA in Geneva and Group Head of Accounting. He is fluent in English and French.
Thomas Frey is a partner of Kendris Ltd., one of the leading independent Swiss providers for family office, trust and fiduciary services as well as Swiss and international tax and legal , accounting, outsourcing and art management services. He joined Kendris Ltd. in 2012, after having gained his professional experience in the wealth management and trust advisory industry at Bär & Karrer AG and HSBC Guyerzeller Trust AG.
Thomas Frey is an admitted lawyer in Switzerland and member of STEP. He specializes in international tax planning, and devising and operating trust and company structures for international high net worth individuals and private corporations.