Our Team

We are a small team distributed across the world that is excited about open contracting. Meet us here and get in touch.

Gavin Hayman

Executive Director

Before joining the Open Contracting Partnership, Gavin was Director of Campaigns and then Executive Director of Global Witness. He oversaw the organisation’s groundbreaking and award-winning investigative, campaigning and advocacy work uncovering secret deals, corruption and conflict around the world. He helped create the international Publish What You Pay campaign and helped negotiate the intergovernmental Extractive Industries Transparency Initiative that brings together oil and mining companies, home- and host-governments and civil society to improve disclosure and oversight of over $1 trillion dollars of oil and mining money.

He is an expert on illicit financial flows, and helped lead global efforts to end the abuse of anonymous shell companies for money laundering and financial crime, including working with the British government’s recent presidency of the G8 and the Open Government Partnership. He has a Doctorate from the University of Reading and has worked with Chatham House in London and the United National Environmental Programme in the past on analysing and investigating global environmental crime.

Kathrin Frauscher

Program Director

Kathrin joins the Open Contracting Partnership with a passion for supporting partners with expertise, tools, processes and connections to open up contracting in their countries and sectors. In her role as Program Director she is responsible for the program portfolio and implementing a strategy that delivers value for our clients and partners. Previously, Kathrin was a governance specialist at the World Bank Group where for the past decade she led open contracting and governance projects and programs in Africa and Asia. Together with the Open Contracting team at the World Bank, she incubated the Partnership and helped build its global brand and reach. Kathrin has a Masters in Advanced International Relations from the Paul H. Nitze School of Advanced International Studies of Johns Hopkins University and a BA in Economics from the University of Vienna.

Lindsey Marchessault

Director for Data and Engagement

Lindsey manages the Open Contracting Data Standard Help Desk and several of the Showcase and Learning projects. In her work, she engages with governments and other stakeholders in collaborative learning about open contracting and advises on policy & legal reform to implement open contracting. She also supports the co-creation of tools, methodologies, and feedback loops to ensure that open contracting is delivering impact.

Lindsey is a lawyer who previously worked with the World Bank where she played a significant role in the launch of the Open Contracting Partnership and the development of the Open Contracting Global Principles and Data Standard. Before that, Lindsey worked for the International Centre for Settlement of Investment Disputes, the World Bank legal department, and in private practice in Canada. In her spare time, Lindsey enjoys yoga, learning languages, and travel.

Georg Neumann

Senior Communications Manager

Open contracting is collaborating, communicating and using technology for innovating development – all of which have been a focus of Georg’s professional career prior to joining the Open Contracting Partnership where he manages communication and advocacy. At the Inter-American Development Bank, Georg has led the Digital Strategy of the Multilateral Investment Fund focussed on supporting micro, small and medium businesses and entrepreneurs in Latin America. He also co-initiated the organisation’s portfolio of projects testing social innovations such as crowdfunding. The nexus to transparency and anticorruption originated at Transparency International where he managed online and internal communications of the global movement and led the discussion of solutions to use technology to fight corruption. He has worked in development projects in Mexico and Morocco and holds a Masters in Strategic Economic and Social Communications from the University of Fine Arts in Berlin.

Hera Hussain

Senior Advocacy Manager

Hera catalyzes communities, journalists, and activists, helping them utilize open data and technological innovation to create positive social change around the globe. A young leader in the open data and open government community, she is currently the Senior Advocacy Manager at the Open Contracting Partnership. In her role, Hera works with a broad range of decision makers to influence policy based on robust evidence-based research. She collaborates with the helpdesk to help local partners overcome resistance and navigate political challenges. Also, she is assisting the communications team in building a portfolio of impact stories.

Previously, she leads OpenCorporates’ community and impact program, working with investigative journalists and NGOs using open company data. She is the co-Chair of UK Bond Anti-Corruption group. She is an active member of social innovation networks such as Wikipedia, MakeSense, Startingbloc, WEF’s Global Shapers, Yunus & Youth and runs the volunteer-led women’s rights group CHAYN. Hera is part of the OpenHeroines group which is a collective to highlight women’s role in the open data, open government, and civic tech movements.

Karolis Granickas

Senior Program Manager

Karolis joins us with an ambition to demonstrate the positive impact of opening up contracting data worldwide. He contributes to the creation of tools and methodologies for evaluating change propelled by open contracting. He is passionate about smart strategic planning, and helps to design and implement open contracting initiatives around the globe.


Before joining the Open Contracting Partnership, Karolis worked with Transparency International Lithuania, focusing on citizen engagement using ICT. He also contributed to global open data advocacy efforts, together with the Epsi platform, Open Knowledge International, Open Data Institute and others. From 2014 to 2016, he was a national researcher within the Open Government Partnership Independent Review Mechanism.
Karolis earned his bachelor’s degree in international law from the University of Westminster, UK and master’s degree in European Union law from the University of Maastricht, the Netherlands.

Carey Kluttz

Senior Program Manager

Carey Kluttz is our Senior Program Manager supporting open contracting implementation across Africa and the Middle East. She previously served as a Fulbright-Clinton Fellow with SODEMI, the national mining company of Côte d’Ivoire, where she also supported the development of Côte d’Ivoire’s first Open Government Partnership (OGP) National Action Plan.

Prior to her Fellowship, Carey was with the World Bank’s Governance Global Practice, where she focused on open contracting as well as governance of the extractive industries. Before joining the World Bank, Carey served as Executive Director of the Bridges of Understanding Foundation, dedicated to fostering understanding between the United States and the Arab world. Carey holds an MA in Middle East and Islamic Studies from the American University of Paris and a BA in French and Anthropology from the University of Virginia. She has studied Arabic and is fluent in French.

Katherine Wikrent

Data Scientist

They say that curiosity killed the cat, but this Kat’s insatiable appetite for learning keeps her sleuthing for answers. Katherine’s ardor for all things data and analytics is complemented by her interest in open data, open government, M&E, and aid transparency. As our data scientist, she develops frameworks to track progress and growth internally, as well as across the larger open contracting community. Working closely with stakeholders to identify key indicators of interest, she crafts plans to ask the right questions and collect the data that really matters.

In spite of swearing she would never again set foot in a classroom upon finishing her undergrad degree, she went on to receive her M.A. in public policy from George Washington University, specializing in data science and M&E.

Marie Goumballa

Operations Associate

Marie is our behind-the-scenes wizard whose attention to detail and analytical skills help keep the wheels of our organization running smoothly. She is fluent in budget analysis and ensures each member of our globetrotting staff is well equipped for their missions through her provision of logistical and administrative support.

Prior to joining the Open Contracting Partnership, Marie worked for different non-profits and government entities that seek to make the world a better place. Marie has a B.A. in Political Science and International Relations and is fluent in Wolof, French, and English. She is studying Arabic and hopes to have a good command of the language in the very near future (InshAllah).

James McKinney

Senior Data Standard Specialist

James guides the development and governance of the Open Contracting Data Standard, and supports and advocates for governments, businesses and civil society to publish, use and build tools with open contracting data.

James regularly contributes to civil society initiatives relating to government, legislative and corporate transparency and accountability. He has worked with governments in Canada and internationally to improve the data and information they publish, through mechanisms like the Open Government Partnership and the Open Data Charter. He has authored, edited and contributed to standards used by dozens of governments, from the local to national levels, in Canada and around the world. He previously founded Open North, a Canadian nonprofit that creates websites to promote government transparency and public participation. He also organized the Canadian Open Government Civil Society Network, which successfully convinced Canada to commit to establishing a multistakeholder forum on open government.

Nicolas Penagos

Senior Program Manager for Latin America

Nicolás Penagos is our Senior Program Manager for Latin America. He has a passion for ideas that have impact and drive change. As a public procurement practitioner, he has experienced how disclosure and analysis of contract data can indeed change old habits and lead to tangible benefits for citizens.

Nicolás majored in Industrial Engineering and Mathematics, and has a Master in Economics – Applied Sustainable Development from the University of Paris. Before joining the Open Contracting Partnership, he was involved in the set up and consolidation of Colombia Compra Eficiente, the National Public Procurement Agency of Colombia, where he was Deputy and Acting Director.

Nicolás is based in Bogotá. He enjoys travelling and getting to know new people and places. In addition to his native Spanish, he speaks English, French and German.