PaydUp Team

Helen Maynard - Hill (CEO)

Helen Maynard - Hill

Helen is an experienced fundraising and marketing professional with over eighteen years’ experience working within the not for profit sector both in the  UK and the Netherlands. Driven and self-motivated, she sets out to achieve the best in anything she undertakes. Over the last eighteen years Helen has worked for a number of not-for-profit organisations in the UK and the Netherlands. After re-locating to the Netherlands almost 10 years ago, Helen continued to work in the not-for-profit sector engaging in marketing, business development and corporate liaison roles before starting IFC Netherlands seven years  ago. The consultancy has continued to grow in numbers of Associates, clients and reputation. Helen enthusiasm for the sector makes her driven to continue help Dutch charities and Social Enterprises to move forward and expand their horizons to explore opportunities  such as online fundraising and develop strategies and campaigns aimed at the modern donor and investor.

Huseyin Demirhisar ( BM )

Huseyin Demirhisar

After a 20-year-career with Shell, ING, PYMWYMIC and Angel Wings Ventures, Huseyin brings a vast international experience in corporate finance, venture capital, angel investing and investment banking. He was involved in investment and financing transactions from every seat at the table.  Currently, he sits at the board of several impact organizations and is the Managing Director of BiD Network- an impact investment advisor. His strong belief in social impact transformed him to be an impact entrepreneur as the founder of Angel Wings Ventures. He believes that by making good investment choices we can contribute to fair and just societies where populations have access to enough food, cleaner soil, cleaner air, decently paid and available jobs for different skill sets. He has dedicated himself and his work to solution of the Sustainable Development Goals. Huseyin holds an MSc in Banking and Finance from the University of Stirling, UK. He is also a CIMA-certified International Business Accountant. 

Ozan Imamoglu (CFO)

Ozan has a deep understanding of startup mentality and impact spirit to create change for good. He creates values and likes to contribute a sustainable, economically, socially and ecologically future. He believes good investment choices is the only way for a better world.


Ozan is a strategist and problem solving oriented person with  good organization skills. He is an entrepreneur, experienced finance and investment professional with banking, trading and fund management experience. 


He studied civil engineering and has MBA.

H. Caglar (ICT)

Hasan Caglar is a reputable Computer Engineer with 18 years experience in management, consulting and software engineering, acquired in both multinationals and local Enterprises. He graduated from computer engineering department of the top university ( Bogazici University) in Turkey. He took key roles in major IT transformation, software development and business improvement projects, including banking, financial web applications, content  & document management, ERP, GSM platform and security projects. He produced 7 products which are still used by banks and insurance companies. He is experienced in IT team management and product design, has strong communication and creative problem-solving skills. His key technology skillset covers Digitalization, IT Transformation, API Ecosystem, Cloud, Financial Frameworks, Payment Systems and Agile Development.