Our Board

Michael Beverley, DL


Michael is the majority shareholder of the OneMedicalGroup and a recognized business leader. He is the Chairman of Seneca Partners Limited, Indepen Limited and the Monteverdi Choir and Orchestras. Michael was with Arthur Andersen for nearly 30 years before retiring in 2001 as UK Regional and Senior Managing partner. Thereafter, he developed a number of businesses in healthcare and property, before in 2009 making the decision to reorganize those interests to focus on growing OneMedicalGroup.

Michael was from 2000-2006 a government appointed member of the then Department of Trade and Industry’s Industrial Development Board . He is currently on the Court of the University of Leeds and its Appeal Board and Commercialisation Advisory Board. He was from 1998 to 2010 the Chairman of Opera North. He has also chaired a number of other arts organisations. He is a Deputy Lieutenant of the County of West Yorkshire having been appointed in 2000 by Her Majesty Queen Elizabeth. Michael joined the Board in September 2013.

David Brierwood

Deputy Chairman

David is a Crown Representative in the Cabinet Office of the Government advising on management of strategic suppliers. Board positions include; Greensill Capital, a specialty supply chain finance company; Preqin, providing data on private asset classes and Rimes, a company offering managed data services for asset managers.

David was previously Chief Operating Officer of Morgan Stanley’s global securities businesses, and subsequently Chief Operating Officer of MSCI, an NYSE listed provider of Investment Analytics. In his spare time David is an enthusiastic classical guitarist. David holds a BSc from Imperial College, London and an MBA from Manchester Business School. David joined the Board in April 2014.

David Best

Having joined Morgan Stanley in 1997, David is now Managing Director of Morgan Stanley and Deputy Chief Operating Officer for EMEA, based in London. He was appointed Chairman of the Morgan Stanley UK Group Pension Trustee Limited in November 2014. In October 2015 David joined the FICC Market Standards Board Conduct and Ethics Standing Committee and in 2016 became a Member of the Supervisory Management Board of MS Bank AG. In January 2017 he joined the Audit and Oversight Committee of the British Banking Association. David is a qualified Chartered Accountant, a Fellow of the ICAEW and a Freeman of the City of London. David joined the Board in January 2017.

Lady Deben

Lady Deben worked in the United Nations (New York) and in the Prime Minister’s Political Office. She has four children and has been actively involved in charities for the arts and young people.

She was a trustee of the Young Musicians’ Symphony Orchestra and of the Arts Educational Schools London. Penny is now a vice-president of Ormiston Families, a charity working among the most disadvantaged children and their families all over East Anglia. Lady Deben joined the Board in June 2018.

Mandy DeFilippo

Mandy is a Managing Director and Head of Risk Management for Fixed Income & Commodities, EMEA at Morgan Stanley. Mandy joined Morgan Stanley in 2007, in the Global Capital Markets division, based in London. She first worked in the Equity Capital Markets team, and from 2011 until 2013, she ran the Capital Markets Structuring Team in GCM EMEA for both debt and equity products. From 2013 until the beginning of 2017, Mandy was Chief Operating Officer for Global Capital Markets in EMEA, and Chief Risk Officer for GCM International, covering EMEA, Asia-Pacific and Japan.

In her current role, Mandy sits on the regional and global management committees for the Fixed Income Division, and on a number of other governance related committees in the Firm, including Franchise and Risk committees.

Mandy is an active participant in industry-wide organisations in the European market, including initiatives to establish market standards for the industry. She is the Chair of the International Capital Markets Association (ICMA), a role to which she was elected in May 2018. She is also a member of the Conduct and Ethics Sub-Committee of the FMSB.

Before joining Morgan Stanley, Mandy was a US corporate and securities lawyer at one of the “Magic Circle” law firms in London. Mandy holds a BA degree from Columbia University and a Juris Doctor degree from Harvard Law School.

Mandy is also a classically trained flautist; before she began her career in law and finance, she performed as a soloist in recitals and with orchestras and ensembles across the United States. Mandy joined the Board in July 2018.

Virginia Fraser

Virginia studied Russian and Byzantine Art at London University. In 1998 she married the political journalist Frank Johnson and later joined the Board of the Think Tank Policy Exchange where she served for six years. In 2008 Virginia published a collection of Johnson’s political writings. She served on the Board of Directors at Scottish Ballet for eight years, focussing specifically on development and fundraising.

In 2009 Virginia became a director of Vocal Futures, a foundation that inspires young people to engage with classical music. Virginia has been a contributing editor for House and Garden Magazine for the last twenty-two years. She has four children and divides her time between London and Languedoc-Roussillon in South West France. Virginia joined the Board in September 2015.

Sir John Eliot Gardiner

Founder and Artistic Director of the Monteverdi Choir and Orchestras, John Eliot Gardiner is one of the most versatile and sought after conductors of our time. Acknowledged as a key figure in the early music revival of the past four decades, Gardiner has led his own ensembles in a number of ground-breaking projects and international tours, including the year-long Bach Cantata Pilgrimage in 2000 and most recently in 2017 our hugely ambitious Monteverdi 450 tour. The extent of Gardiner’s repertoire is illustrated by over 250 recordings for major record companies and by numerous international awards. John Eliot sits on the Board in an ex-officio capacity.

Sir Stephen Gomersall

Stephen Gomersall is a former British Ambassador to Japan and to the United Nations in New York, with a career centred on investment promotion and international security. Since 2004 he has held a number of executive positions and was a Board member of the Japanese engineering firm Hitachi. He also serves on the Board of the JP Morgan Japanese Investment Trust.

Born in Yorkshire, Stephen graduated in modern languages from Cambridge and international studies from Stanford University, California. He is a keen amateur musician, having sung in CUMS, the Bach Choir and several chamber choirs. He also enjoys playing the bassoon and is a member of the Advisory Council of the London Symphony Orchestra. He lives in London and Oxfordshire. Stephen joined the Board in March 2019.

Andrey Kidel

Andrey worked at the UK Treasury (1966-68), the International Monetary Fund in Washington DC (1968-74) and the EU Commission in Brussels (1974-75). After founding a foreign exchange advisory firm in London in the mid 1970’s, Andrey joined SG Warburg & Co Ltd. in 1981, and was appointed as Executive Director in their sovereign borrowing and debt restructuring division, advising, amongst others, Costa Rica, Indonesia, Pakistan, Russia and a number of West African governments. He was appointed Vice-Chairman of SG Warburg International in 1993-95 and Managing director at UBS (1995) at the time of the merger between Swiss Banking Corporation, UBS and SG Warburg. Andrey was appointed Managing Partner of Newstate Partners in 2008, a sovereign debt restructuring advisory firm.

Andrey served as Treasurer on the UCL Hospitals Charitable Foundation, Chairman of the Fundacion Olivar de Castillejo in Madrid, Chairman of the Music at Plush Festival in Dorset and Chairman of Buskaid UK, a charity supporting a classical strings instrument school in Soweto (South Africa). Andrey is also on the Executive Fundraising Committee of the Centre Européen de Musique in Paris (European Music Centre), a new performing arts and educational venture - with, at this stage, substantial public sector funding support - centred on Bizet’s house, the Villa Viardot and Turgenev’s dacha in Bougival.

Andrey was educated in France and Austria and holds degrees from Oxford University and the London School of Economics. Andrey joined the Board in March 2019.

Nicola Ramsden

Nicola started her career as a research analyst at the Bank of England. After gaining an MBA at London Business School she joined NatWest Investment Bank, where she became an Associate Director in corporate finance. She also worked for Deloitte & Touche in Moscow as a consultant on privatisation and capital markets development. Whilst living in Russia she was elected President of Action for Russia’s Children, and she has recently been appointed Chair of the BEARR Trust, which supports vulnerable and disadvantaged people in Eastern Europe, the Caucasus and Central Asia. She is a fellow of the British-American Project and a fellow of the Royal Society of Arts. Nicola is a keen skier and cyclist, and a late-beginner pianist. Nicola joined the Board in April 2014.

John Smyth

As a child treble, John began life singing duets with one remarkable teenage tenor - John Eliot Gardiner. A founder member of the Monteverdi Choir whilst at Trinity College Cambridge, John has had the pleasure of singing with the Choir on and off over the last fifty years. After qualifying in medicine, John spent thirty years of his career at the Edinburgh Cancer Centre, establishing it as a world leader in the development of new anticancer drugs. He has served as President of the European Society of Medical Oncology and the Federation of European Cancer Societies and has been Editor in Chief of the European Journal of Cancer. When neither singing nor worrying about cancer he enjoys flying light aircraft and trying to catch salmon in the Scottish Highlands. John joined the Board in June 2014.