Our Team

We attract, retain and develop the best talent worldwide. Our experts have aptly been described as having “a social heart and a business head”, and given their wide array of technical expertise and knowledge, it’s no wonder why...

If you want to join our team, take a look at our vacancies

Chris Meyer zu Natrup
Director and Head of Advisory

Chris is the Director and Head of Advisory at MzN International, a social enterprise advising and providing sustainable business solutions to the development and humanitarian sector. He is also an independent researcher specialising on international development and aid. Chris has worked with leading development and humanitarian organisations including UN agencies, government ministries, NGOs and think tanks in over 20 countries. He is a guest lecturer at two UK universities and speaks regularly at conferences on subjects relating to development and aid. Currently, he is conducting research related to operational innovation. Together with Dr. Adrian Flint (University of Bristol), Christian has developed the concept of Beneficiary-led Aid. Chris can usually be found on a plane or Squash court, striving to become a good Squash player (he isn’t). Follow Chris on LinkedIn and Twitter.

John Demeza
International Development Director

John is International Development Director at MzN International. He has worked in International Development for over 25 years, focusing on Programme Management, Procurement, and New Business Initiatives. He has spent more than 14 years living and working in the developing world. Since his deployment in Bosnia & Herzegovina in 1996, much of John’s work has been focused in post-conflict and post-disaster affected states, having managed projects in the field in Mozambique, Pakistan, Afghanistan, Aceh, and Iraq. During his long career with Crown Agents, John held senior positions focused on donor relations, particularly with DFID and the Government of Japan. From 2006 to 2008, John managed Crown Agent’s office in Tokyo. Outside of work, John is a keen football fan, although you’re now more likely to find him on the golf course than the football pitch.Twitter.

Alexandra Yannias-Walker
Non-Profit Consulting Manager

Alexandra manages the Non-Profit Consulting work at MzN International. She develops MzN’s non-profit consulting projects and supports the work of MzN’s more than 75 consultants around the world. A social activist by heart and a researcher and policy wonk by trade, Alexandra holds a PhD from Oxford University in Economic Geography, where she researched and taught international development, African Politics, and evaluation in international organisations. She also holds an MA in Political Science from the University of Cape Town and a BA from Wellesley College (USA). Alexandra has significant previous professional non-profit experience from her advocacy and evaluation work in organisations based in the United States and South Africa. She also worked as a researcher to advise political campaigns, ballot initiatives, and charitable foundations. Based in Hamburg, in her free time Alexandra can often be found traveling, biking, cooking, and attempting to master the German language.

Soumya Joy
Financial Executive

Soumya is our Financial Executive and makes sure all financial aspects run smoothly. In tandem, she works with the managers to evaluate projects for financial performance, so that we can best ensure our sustainability as a social enterprise for the long-run. Soumya values MzN International’s focus on doing good and having a positive impact, rather than being driven by profit. Soumya has completed her Master’s degrees in Management, from Mumbai University. She has extensive working experience in Banking, IT and Finance with International Organizations. Prior to joining MzN, she was working as a Senior Financial Analyst with Ford Motor India Limited in Controlling Function for Ford of Europe region. She has also worked with HSBC, Temenos and Capgemini in Banking, and IT Roles. She enjoys reading, travelling and cooking.

Alex Miles
Training and Coaching Executive

Alex is the Training and Coaching Executive at MzN International. Inspired by his time in developing nations, Alex joined MZN to help do good, better. With an MSc in International Relations from the University of Bristol, Alex is responsible for social media activities as well as support in organising and delivering our customised training courses. He supports the training manager and works closely with the Director to manage training contracts for the humanitarian and development sector. Outside of work, Alex enjoys scuba diving, photojournalism, and martial arts. He is a Spanish speaker, along with his native English.


A development practitioner for nearly two decades now, Rossella believes in the power of people who want to change their own reality. She has worked for the private, public and not for profit sectors and her experiences include country strategy and project development and management; thematic and corporate level evaluations; reviews, studies and assessments, and proposal writing for client governments, bilateral and multilateral development agencies as well as INGOs. At MzN, she connects people, knowledge, ideas and resources through powerful proposals and demand driven strategies.


Andrea is a professional writer and editor with more than 10 years of experience. Since 2007, she has worked primarily on business development, writing bids and proposals for international development organizations and private sector companies. As one of two proposal writers for a UAE-based company, she wrote bids that garnered US $28 million in business and accounted for 90% of the company’s new contracts in 2013. Similarly, as Proposal Manager for an international development organization, her work helped the organization obtain an average of US $30 million in new grants and contracts annually supporting financial sector development work worldwide. Andrea is fluent in both English and Spanish.


Cristiano has more than 7 years of professional experience in administration for not-for-profit organizations, over 5 of which in financial and accounting key roles. Cristiano developed a solid knowledge of accounting principles and financial statements through academic studies, tutoring by senior colleagues and long-standing work. He is an expert in financial systems, both grant-making and operative approach, budget monitoring and internal administrative control, internal regulations, HR policy, writing of administrative manuals. Cristiano has significant professional experiences working with large NGOs and a vast experience in the field, 3 years in Sudan and Mozambique, as well as project coordinator in Russia. He has delivered training in various locations around the world including in Juba (South Sudan), Khartoum (Sudan), Amman (Jordan), Ouagadougou (Burkina Faso) and others.


Michael Short holds a Masters of Public Administration from Indiana University’s School of Public and Environmental Affairs. He has guided organizations such as VSO International, Africare, Save the Children, Counterpart International, and ACDI/VOCA on monitoring and evaluation, proposal design, project “troubleshooting”, and environmental assessment. He has worldwide experience in several countries including Angola, Sierra Leone, Bangladesh, Burkina Faso, Cameroon, Chad, Guatemala, Mali, Niger, and Senegal. He has served as Africare’s Country Director, as well as a Programme Officer working on global climate change programming at the United Nations Environment Programme (UNEP) in Nairobi. He offers expertise in program design, implementation, evaluation, reporting, and management for USAID’s Food for Peace, Feed the Future, World Bank, UN Development Programme (UNDP), and many more.