Our team

William Easun qualified as a lawyer originally in 1979 in England & Wales. He went to school at Haileybury College near London and thereafter passed his English lawyer’s Qualifying Exams (Parts 1 & 2) whilst carrying out extended articles in London dealing with clients on English criminal and civil law matters. He then won a French scholarship to study Comparative Law in France at Aix-en-Provence University.

Starting work in Paris with a leading English law firm he moved to work in Monaco with that same law firm in 1981, and he never left the Principality. He became a partner in 1982

He managed the Monaco law office for many years and also took over management of the firm’s offices in Barcelona, Rome and Milan at the time.

William has represented numerous high profile individuals in respect of private matters, and for some ten years (1990-2000) was a director of Christie’s (Monaco) SAM during which period William dealt with the Terms & Conditions of Auction for many auction sales in Monaco (car related, works of art, furniture etc).

In 2012 William and others set up a specialist boutique law firm in Monaco which is called Tempest Legal Services Monaco SARL. This Monaco law firm exists nowhere else and is dedicated to giving specialist advice on defined subjects. It deals with non-contentious issues only. Consequently William does not appear in Court in Monaco, nor does he deal with procedural matters before the Monaco Courts that being the preserve and domain of Monegasque avocats–défenseurs (a profession reserved to Monegasque citizens alone).

William’s own practice focuses on private international law matters in Monaco for individuals of all nationalities. This extends to helping individuals, entrepreneurs, sporting personalities, investors, hedge fund managers, brokers, and Single Family Offices to relocate to Monaco; the emphasis is on the consequences of so doing, not on the process itself. William can nevertheless describe the Visa and the Monaco Residency application process to any individual wishing to move to Monaco. For this we would refer you to our Briefing (which you will find in the “Documents” section of this website entitled “Residence, Business and the Law in the Principality of Monaco”).

William works in tandem with other professionals in Monaco (notaries, avocats, accountants, trustees ..), and professionals abroad who often seek legal advice in Monaco for their clients.

William will also advise on Wills and Estate Planning issues which arise for people who are resident in Monaco or contemplating a move to Monaco: he will analyse what law or laws will apply in Monaco where the Courts of Monaco have jurisdiction to determine how assets pass on the death of individuals. He will consider along with a person’s existing advisers what form of Will or Wills might suit. For example whether Monegasque “reserved property rights” or “forced heirship rights” will arise, and if so how those rights may impact the testamentary arrangements of an individual in Monaco and what steps can be taken to accommodate such rights.

He will look at matters of Capacity and the growing concern around Guardianship arrangements and restrictions arising around a Guardianship order, and alternatives to suit people should they find themselves confronted with Capacity issues.

William also advises on the use of trusts in Monaco. He sat on the Monaco Government Commission which assisted with the adhesion of Monaco to the 1985 Hague Convention on the Law Applicable to Trusts and on their Recognition which occurred in 2008.

He also advises on the specific situation of Monaco Law 214 of 1936 on Trusts and he is a “jurisconsulte qualifié” in the context of that Law as recognised by Monaco’s Court of Appeal.

If an individual wishes to set up a Single Family Office in Monaco William advises on the forms of entity available and the interaction of any Monaco Single Family Office and a Family’s asset holding/Trust arrangements abroad.

William also advises the Monaco Government in his role as an original member of the specially formed Strategic Commission created by His Serene Highness Prince Albert 11 in 2011 to advise on matters of interest (the Commission covers subjects such as Finance, Real Estate, Quality of Life, Shipping/Yachting) which attract individuals to live and work in Monaco.

William is a British citizen and he resides in Monaco. He speaks English and French. He is a member of the Law Society of England & Wales, STEP and is Chairman of IoD Monaco Centre.

Nathalie Tanzi has dual qualifications in international finance and business law, as a French lawyer. She has a degree in Mediation from the University of Nice (France). She has 25 years of experience behind her in France and Monaco and in particular spent 9 years with the French Financial Regulator (Autorité des Marchés Financiers) then to spend 8 years working with the Monaco authorities (Direction du Budget et du Trésor; and the Commission de Contrôle des Activités Financières). It is at that point that Nathalie participated in the drafting of the new financial legislation in respect of investment products. In 2008 she went into private practice within an international law firm in Monaco as a partner to give legal advice on corporate, banking/finance, compliance and regulatory matters.

As a consequence of her experience with Monegasque and French financial authorities Nathalie advises at Tempest in matters of banking, financial and insurance regulation in liaison with the various authorities such as the French Autorité de Contrôle Prudentiel et de Résolution (ACPR), the Monegasque Commission de Contrôle des Activités Financières (CCAF), the Monegasque Service d’Information et de Contrôle sur les Services Financiers (SICCFIN), and the Monegasque Commission de Contrôle des Informations Nominatives (CCIN).

She prepares legal opinions for a clientele whether situated abroad or based in Monaco on all subjects relating to banking and financial compliance, notably with regard to the impact of European Directives (such as CRD IV, MiFID or EMIR). Other than having a general busines law capability, Nathalie also assists clients with M&A matters. She also advises on setting up Funds or carrying out capital investment including for sophisticated structures, preparing legal documentation in respect of them, and dealing with CCAF regulatory consent files.

She specialises in the marketing of banking and financial products and advises on all matters relating to professional experience and qualifications, investor information, and the different functions of depositor, manager and account holder. With Anne-Fleur Grillot she offers her services to any person to inform them of and train them in compliance issues, and the legal risks which relate to them in particular in respect of data protection and anti money laundering.

Her clientele is international, made up of foreign and local companies and entities such as Investment Funds, Family Offices, Banks, Asset Management Companies, Brokers and businessmen.

Nathalie sits on the Board of AMCO (Association Monégasque des Compliance Officers) and of the MVCA (Monaco Venture Capital Association). She is French and speaks French and English.

Anne-Fleur Grillot specialises in law relating to Data Protection, Intellectual Property, New Technologies, E-Commerce, Privacy/Protection de la Vie Privée, Image and Reputation Rights. She also advises more generally on business and contract law issues. With 4 years experience behind her as a lawyer and investigator for the CCIN (the Monaco Data Protection Authority) she can carry out with Nathalie Tanzi full compliance audits taking into account the constraints around regulated activities such as protection of personal data. She drafts legal documentation relating to compliance (formalities, computer charts, notes and internal procedures, internet site legal notices or contracts, archiving procedures, agreements in respect of data transfer etc.) and assists clients with the implementation of an internal system which conforms to regulatory obligations.

Having qualified in France and in the US in intellectual property and international business law (Universities of Paris 12-Assas and Paris 10-Nanterre, and at Washington College of Law), Anne-Fleur has practised in various law firms in an advisory and contentious role, in France and in Monaco, which has allowed her to bring that experience to bear when carrying out compliance audits or when advising. Her clientele is made up of international and Monegasque companies, whether regulated or unregulated, Family Offices, commercial businesses, entrepreneurs and private clients.

Anne-Fleur is a member of AMCO. She is French and she speaks French and English.

Géraldine Viale joined Tempest in 2015 as Office Manageress.
She deals with bookkeeping and file opening formalities for clients, and the daily administrative needs of the office.
Beforehand she worked in Monaco for 13 years in an international law firm dealing with secretarial work then as an administrative assistant for 3 years in a Corporate Services Provider office on client matters.
She handled the incorporation of companies, the creation of Sociétés Civiles Immobilières, and the drafting of Minutes of Board Meetings and Shareholder Meetings.
Geraldine was also responsible for the preparation of bills as well as the lodging of files with different Monegasque administrative services at the request of clients.

Philippe Tanzi trained as a computer software engineer. He holds an Engineering Degree from a French Grande Ecole. Philippe deals with the prevention of risks and data protection complementing the analysis carried out by other members of the Tempest team.

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