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Meet our dedicated Marshall Institute team.

Contact us

For general enquiries please email



Stephan Chambers
Institute Director and Professor in Practice

Phone: +44 (0)207 955 7655 

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Nava Ashraf
Research Director and Professor of Economics

Phone: +44 (0)207 955 6992

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Jonathan Roberts

Dr Jonathan Roberts
Teaching Director and Senior Lecturer in Practice

Phone: +44 (0)207 107 5051

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Teaching and Research


Sir Thomas Hughes-Hallett
Professor in Practice




Sir Julian Le Grand 
Professor of Social Policy

Phone: +44 (0)207 107 7353

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Revd Canon Dr James Walters

Senior Lecturer in Practice

Phone: +44 (0)207 955 7965



Gauri Chandra

Gauri Chandra 
Research Assistant

Mobile: +44 (0)207 955 7655 



Moustafa El-Kashlan
Research Assistant




Timo Kapelari
Research Assistant




Practitioners in residence

Christian Busch
Co-Founder, Leaders on Purpose

Christian Busch’s research focuses on business model innovation, entrepreneurship, social impact, and social networks, and he teaches several MSc and executive education courses at LSE. He has served as Deputy Director at LSE’s Innovation Centre, and is co-founder of Sandbox Network, the leading community of young innovators active in over 20 countries. He co-founded Leaders on Purpose, an organization convening high-impact leaders.

He is among Thinkers50's 'top 30 management thinkers to watch in 2019'; Diplomatic Courier’s ‘Top 99 Influencers’; The Economist’s ‘Ideas People’; JCI’s ‘Ten Outstanding Persons’; a TEDster; a ‘Key Influencer’ (Siemens); an ‘Institute for the World Economy Global Fellow’;  the ‘Davos 50’; and a Fellow of the Royal Society of Arts (RSA).

He frequently speaks at conferences such as the World Economic Forum (WEF), TED, and Financial Times Sustainability Summit, and his ideas have been featured by outlets such as Harvard Business Review, The Economist, and the UN. His presentations and workshops at companies such as Dell and Danone have reached over 1.2 million people.

Previously, Dr Busch worked in business in Kenya, South Africa, Mexico, Russia, Germany, the US, and has served as Senior Advisor at the National Entrepreneurs Association and at multinational companies, on Ashoka’s Selection Panel, and on the Jury of the African Entrepreneurship Award.

Veronika Kapustina
Technology Investor & Advisor

Veronika Kapustina is a Practitioner in Residence at the Marshall Institute, London School of Economics and Political Science (LSE). She works with the Marshall Institute, bringing a practical approach from her experience as a technology investor and advisor in the US and the UK. Her focus areas include internet, marketplaces, artificial intelligence, machine learning, legal tech, health tech and food tech. Veronika is passionate about social enterprise business models and triple bottom line corporate management, and both are a focus in her personal investment portfolio. She believes that achieving good returns does not have to be mutually exclusive with creating positive social externalities. 

Veronika received her BSc in Economics from the LSE in 2009. She started her career in investment banking working for Morgan Stanley first in London and then in Palo Alto, California, where she worked on the financings and strategic sales of some of the world’s biggest technology firms. She left the firm in 2017 to focus on her investment work. 

Jude Kelly
Founder, Women Of The World (WOW)

Jude Kelly is a creative director and a foremost commentator on gender, inclusion and the arts. She was Artistic Director of the Southbank Centre from 2006-2018, where she created Festivals including: Being A Man, Unlimited, The Rest is Noise, Changing Britain, the Festival of Death, (B)old, as well as WOW- Women of the World. WOW is a global festival movement and has held 65 festivals in 5 continents over 30 locations in over 15 countries from Baltimore to Brazil, Cardiff to Karachi, and further across the UK, Australia and the USA, reaching over 2 million girls and women, and men and boys too.  

Jude has directed over 100 productions including at the Royal Shakespeare Company, English National Opera, National Theatre, and the Châtalet in Paris. She has advised governments, business, media and educational institutions and is one of the world's foremost commentators on gender and inclusion in the arts. She led the cultural team for the successful London 2012 Olympic and Paralympic bid. In 2015 she was made a CBE for services to the Arts.  

Katherine Lorenz
President, Cynthia and George Mitchell Foundation

Katherine is President of the Cynthia and George Mitchell Foundation (, a grantmaking foundation focusing on environmental sustainability in Texas. She is the Leader of the Next Gen of the Giving Pledge, and Forbes named Ms. Lorenz "Ones to Watch," an up-and-coming face in philanthropy in 2012. Previously, she served as Deputy Director for the Institute for Philanthropy (, whose mission is to increase effective philanthropy in the UK and internationally. Prior to that, Ms. Lorenz lived in Oaxaca, Mexico for nearly six years where she co-founded Puente a la Salud Comunitaria (, a non-profit organization working to advance food sovereignty in rural Oaxaca through the integration of amaranth into the diet. She continues to be involved with Puente's work as an active board member.

Before founding Puente, she spent two summers living in rural villages in Latin America with the volunteer program Amigos de las Américas and later served on their Program Committee and as a trustee of the Foundation for Amigos de las Americas. Additionally, she currently serves on the Boards of Directors of the Environmental Defense Fund, The Philanthropy Workshop (Vice-Chair), the Endowment for Regional Sustainability Science, and the National Center for Family Philanthropy (Chair) and formerly was a Fellow at the National Center for Family Philanthropy, a Board Member of Exponent Philanthropy, Resource Generation, the Amaranth Institute, and a member of the National Academies' Roundtable of Science and Technology for Sustainability.

Ms. Lorenz is a member of the Global Philanthropists Circle of the Synergos Institute and serves on the Leadership Council of the Greater Houston Community Foundation and the national advisory committee of USC's Irene Hirano Inouye Philanthropic Leadership Fund. Ms. Lorenz holds a B.A. in Economics and Spanish from Davidson College. 

Sonia Medina
Executive Director, Climate Change

Sonia oversees CIFF’s Climate Change portfolio, which includes our work on Energy Decarbonisation, Air Quality, Industrial Decarbonisation and Land Use. 

Prior to joining CIFF, Sonia acted as Chief Operating Officer of a start-up company with a mission to connect Africa to the green energy economy by developing high-quality biomass supply chains deriving from existing plantations in West Africa.

Previously, Sonia worked at EcoSecurities, one of the largest carbon offset project developers in the world, from its start-up phase through to its acquisition by J.P. Morgan & Chase in early 2010. During a seven year period at EcoSecurities she held the position of US Country Director based out of New York and before that Global Head of Origination managing 20 local teams on five continents.

Prior to joining EcoSecurities, Sonia worked on climate change and energy issues at the United Nations Environment Program in Paris. Sonia holds a BSc in Environmental Sciences from the University of Madrid, an MSc in Environmental Change and Management (specialisation in Energy and Environmental Economics) from the University of Oxford and an Executive MBA by the London Business School. 

In 2009, Sonia was named a World Business Council for Sustainable Development Future Leader; in 2014, a World Economic Forum Young Global Leader; and in 2015, a Rising Talent by the Women’s Forum for the Economy & Society.

Sonia sits on the Board of ClientEarth who use litigation to tackle climate change and protect the environment and Iniciativa Climatica De Mexico, a think tank and re-granter focused on driving ambitious climate policy in Mexico. 

William Perrin
Trustee, Indigo Trust

Together with his wife, Fran, William Perrin is a trustee of the Indigo Trust. He is the founder and director of Talk About Local, a unique public service project to give people in deprived or isolated communities an online voice they own and run. He has a long track record of community action in London’s deprived King’s Cross neighbourhood

When in the UK civil service, William was Tony Blair’s technology policy advisor in Downing Street, co-authored the ‘Transformational Government’ strategy, commissioned the 2007 Power of Information Review, was Secretary to the Power of Information Taskforce, ran ‘Show us a Better Way’ one of the first open data competitions and was Chair of the OECD expert group on e-government.

Will is also a trustee of King’s Cross Community Projects, the Tinder Foundation and 360Giving.

Tom Rippin
CEO, On Purpose

After some years researching cancer, Tom started his non-academic career at management consultants McKinsey & Company, where he worked across the private, public and non-profit sectors. He transitioned into the social enterprise space, first advising the CEO of Comic Relief on private sector matters and then working at (RED), the business founded by Bono and Bobby Shriver to help eliminate AIDS in Africa, where he was Managing Director for Europe and Director of Business Development for (RED) International. As well as running On Purpose, Tom is a Trustee of The Global Action Plan and has been the Chair of Spice and an Advisory Board Member of Big Society Capital.

David Robinson
Former CEO, Social Finance

David Robinson is a community worker, writer and social entrepreneur. He founded Community Links and is now Senior Adviser leading the National Early Action Task Force.  He is also founder, now Chair, of Shift, leading on the Shift Relationships Project, Chair of the Social Finance Impact Incubator and a Practitioner in Residence at the LSE’s Marshall Institute. 

David led Gordon Brown’s Council on Social Action inventing the Social Impact Bond and going on to chair the Peterborough Prison project – the world’s first SIB funded scheme. He also led the original London Advisory Board for what is now the Big Lottery Fund and has also chaired or been a non-executive director with many organisations including  Business in the Community, Social Finance and the Big Society Trust.

David writes and speaks widely. Recent books include Changing London (with Will Horwitz), Britain’s Every Day Heroes (with Gordon Brown) and Unconditional Leadership as well as numerous papers and reports.