CAF Venturesome


Our expert team is on hand to help with any questions you have about social investment through CAF Venturesome.

Get in touch now
  • Holly Piper

    Head of CAF Venturesome

    Holly leads the team, including overall responsibility for CAF Venturesome’s funds, fundraising, social investments, operating budget and personnel. Holly was promoted to Head in February 2015, and is in CAF’s leadership group.

    Holly previously worked at the management consultancy firm Oliver Wyman, specialising in the retail sector. She has a degree from the University of Cambridge, an MSc from the London School of Economics, and the Investment Management Certificate.

  • Holger Westphely

    Senior Investment Manager
    As part of the senior management team Holger shares responsibility for the strategy and operations of the investment team. Duties include appraisals of applications, monitoring part of the CAF Venturesome portfolio, overseeing SE-Assist, managing the team's operations, and supporting new business development.

    Holger co-founded Aylesbury Partnerships which provides investment and contract readiness services to organsations in the voluntary sector, and co-founded Eastside Primetimers which advises organsations in raising finance.
  • Lekan Ojumu

    Investment Manager
    Lekan manages a portfolio of social investments across all funds. Previously he worked for a grant-giving foundation, managing grant giving and capacity building across London -  supporting community organisations with fundraising, business planning and governance. He also has experience in community investment, youth and education sectors.
  • Amir Rizwan

    Investment Manager
    Amir manages a portfolio of social investments across all funds, and is closely involved with the CLT Fund.

    Amir previously worked in the financial services industry, his last role being with RBS in risk management.

  • Fan Gu

    Investment Executive
    Fan manages a portfolio of social investments across all funds, with responsibilities ranging from assessing investment applications to monitoring existing investee performances.

    Fan previously worked as an Investment Banker at Deutsche Bank, specialising in the financial services sector. Most recently she had completed the On Purpose programme, working with a solar financing start-up and UK-based science charity.
  • Ana-Julia Van Bilsen Irias

    Team Administrator

    Ana is responsible for providing administrative and deal support to the CAF Venturesome team, particularly with new deal enquiries, compliance and marketing.

    Ana previously worked in peacebuilding project management at Concordis International, and prior to this worked in Innovation for children’s rights at UNICEF Nicaragua. She has a degree in Law and Political Science from Université Lyon II and a Msc in International Studies and International Development from Université Sorbonne-Nouvelle Paris III.


  • Ann Lunan

    Fund Administration Executive
    Ann has responsibility for financial reconciliations and assisting with budgets and forecast processes; serving as secretary for CAF Venturesome;s various committees; and carrying out operational procedures and maintaining records and databases.

Want to know more?


Contact our expert team for an initial chat about social investment through CAF Venturesome.

Get in touch now


Other options for your charitable giving

Achieve your philanthropic goals using our experience of the charitable sector. We can help you achieve your long-term giving goals with minimum fuss.

Is social investment not for you?

Borrow from £50,000 to £5 million with loan repayment terms up to 25 years to undertake a project, purchase a property of refurnish a property, or expand your services.

CAF Venturesome blog

We are one of the most active providers of impact-focused social investment in the UK. Keep up-to-date with our blog.