Smart global giving


We look forward to working with you and supporting your giving.

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Meet the team

Mark Greer

Head of CAF American Donor Fund

Mark leads the CAF American Donor Fund team and works with our private clients and their families to help achieve their philanthropic ambitions around the world.

Prior to joining CAF, Mark worked as Philanthropy Director at UK Community Foundations and the CEO of the Beacon Awards for Philanthropy. Earlier in his career, Mark led programmes engaged in intercultural work and community development as well as working for a British MP and an ultra high net worth family in Miami, Florida.

Mark Greer
Head of CAF American Donor Fund

Contact Mark via email or telephone on +44 (0) 3000 123 150

Helen Westgate

Client Manager

Helen is the primary point of contact for our clients and helps to plan and support their giving. Helen brings many years of wealth management experience to the team.

Before joining CAF, Helen worked at UBS for seven years and has ten years of wealth management experience, having previously worked for Cheviot Asset Management. At UBS, she was responsible for the day-to-day management of portfolios on behalf of high net worth individuals, primarily resident in the UK.

Helen Westgate
Client Manager, CAF American Donor Fund

Contact Helen via email or telephone on +44 (0) 3000 123 150

Amy Blackwell

Business Development Manager

Amy promotes the benefits of the CAF American Donor Fund to donors and beneficiaries around the world. Amy is an American expat and has lived in London for nine years.

Previously, Amy was a broker with Merrill Lynch private banking with a focus on collaboration with tax advisors. Her expertise also includes chairing charitable organisations, managing volunteers, sitting on grant and political action committees, raising funds and being a board member of a South African health and education charity. She has an honours degree in American History from Northwestern University and a MSc from LSE in International Development-Humanitarian Emergencies. 

Amy Blackwell

Business Development Manager, CAF American Donor Fund

Contact Amy via email or telephone on +44 (0) 3000 123 150 

Eliza Tang

Client Manager Assistant

Eliza assists Helen to help with our clients’ enquiries. Prior to joining CAF, Eliza worked as a translator and interpreter for the local council. She holds a degree in Politics and International Relations from the University of Kent and speaks five languages.

Eliza Tang
Client Manager Assistant, CAF American Donor Fund

Contact Eliza via email or telephone on +44 (0) 3000 123 150

Chris Purvis


Chris is our primary point of contact with beneficiary organisations and works with them to ensure our clients’ donation requests are facilitated quickly and stay compliant with US and UK rules.

Chris has many years’ experience working for financial organisations. Before joining CAF, Chris worked at Fidelity International for six years. At Fidelity, he was part of the FX/MM and Bond Trade Processing and Reporting team and was responsible for the accurate settlement and reporting of large value trades.

Chris Purvis
Administrator, CAF American Donor Fund

Contact Chris via email or telephone on +44 (0) 3000 123 150

Ashley Armon

Assistant Product Manager

Ashley is the designated Product Manager for CAF American Donor Fund and ensures that our clients are at the heart of every change we make to further enhance CAF American Donor Fund. Prior to joining CAF, Ashley previously worked for Leeds Building Society where he began his career starting in customer resolution before moving on to become a Product Analyst with a focus on mortgage pricing and performance.

Ashley Armon 
Assistant Product Manager, CAF American Donor Fund

Want to know more?


Call our expert team on +44 (0) 3000 123 150. Telephone lines are open Monday to Friday, 9am to 5pm UK time (excluding UK bank holidays).

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