Our staff

About UsOur staffOur boardOur fundingFAQCareersContact

The SumOfUs team is made up millions of members around the world and supported by our dedicated staff team who live in 11 different countries.

Alison Brusch
Senior Finance Associate
New York, United States
745fe8f310ded73648e1c1f9d4b37314d7fb97b1 ali

Alison Brusch, Senior Finance Associate

As a Senior Finance Associate on the Finance and Operations team, Ali tracks and monitors the organization's budget and internal systems to assure the organization's financial stability. She has worked in the nonprofit sector for 5 years.
Located in New York, United States
Andrea Desky
Video Production Manager
Asheville, North Carolina, United States
D18a3d49a4f3434891f4e809b1de3ad797533c8c andrea desky headshot amp 20170518 0001

Andrea Desky, Video Production Manager

Andrea is our Video Production Manager, leading the production of social videos from concept development to execution. Andrea has worked as a Video Producer in the nonprofit sector for more than a decade, with a focus on digital media strategy for social change.
Located in Asheville, North Carolina, United States
Angus Wong
Campaign Manager
Vancouver, Canada
377fc03678ae4126121bdffc9803532997524746 angus

Angus Wong, Campaign Manager

Angus is a Campaign Manager with a particular focus on growth. Previous to SumOfUs he worked in Corporate Social Responsibility. He has international development and research experience in India, Micronesia, and Latin America.
Located in Vancouver, Canada
Anna Liberadzki
Campaigner
London, United Kingdom
31fbc8912fc90730c7842833e589d2eb0f32d7e2 anna liberadzki headshot

Anna Liberadzki, Campaigner

Anna is a campaigner based in London. Before joining SumOfUs, Anna worked at the Business and Human Rights Resource Centre and for the non-profit media platform openDemocracy. Anna holds a degree in French and has volunteered for various refugee rights groups in the UK.
Located in London, United Kingdom
Anne Isakowitsch
Campaign Manager
Berlin, Germany
3dcf385f3973e2cf34ee270c091fa81b1b95f385 anne

Anne Isakowitsch, Campaign Manager

Anne is a Campaign Manager and runs campaigns in English and German to curb corporate power worldwide. Previously she worked as a campaigner with Crisis Action on the protection of civilians in conflict with a focus on Syria and Russia.
Located in Berlin, Germany
China Brotsky
Director of Finance and Operations
San Francisco, United States
B3244bae2f1607736183e0d301c07aa226ea42ea china brotsky headshot

China Brotsky, Director of Finance and Operations

China is Director of Finance and Operations and oversees all aspects of finance, fundraising and operations at SOU. China has spent many years working in movements for environmental and climate justice and against white supremacy and human rights abuses.
Located in San Francisco, United States
Christian Bock
Campaigner
Tübingen, Germany
2af882a0b811aeb871a159af8354617e0fd94747 christian bock 400x400

Christian Bock, Campaigner

Christian runs campaigns for SumOfUs with a focus on empowering our German-speaking members to fight corporate power. Before joining SumOfUs, Christian worked as a freelance writer and digital campaigns consultant.
Located in Tübingen, Germany
David Norton
Lead Digital Strategist
London, United Kingdom
Bab9409094c6ebfdced911326f1e6b0a0e570f3f david

David Norton, Lead Digital Strategist

As Lead Digital Strategist, David works at the intersection of campaigning and tech innovation. Before joining SumOfUs, David coordinated international campaigns for a global union federation in Brussels, led digital strategy for progressive organizations in London and Washington, and conducted postgraduate research on how certain ideas form and propagate online.
Located in London, United Kingdom
Deborah Lewis
Senior Member Services Associate
Buenos Aires, Argentina
C31d1ed7587c066d92e0ea3fbf96ecf369af0e45 deborah

Deborah Lewis, Senior Member Services Associate

Deborah is a Senior Member Services Associate. She handles all member communications and ensures that members have an enjoyable user experience. Before joining SumOfUs, Deborah worked in campaigning and grassroots organizing with Oxfam, Democracy for America, and All Out.
Located in Buenos Aires, Argentina
Emma Pullman
Lead Campaign Strategist
Vancouver, Canada
51c8bf423c8b8df1c8e2c11d168614832daf9e20 emma

Emma Pullman, Lead Campaign Strategist

Emma is a Lead Campaign Strategist who works on US and Canadian campaigns as well as fundraising. Prior to her time at SumOfUs, worked with Canadian advocacy organization Leadnow.ca and as a writer and journalist.
Located in Vancouver, Canada
Eoin Dubsky
Campaign Manager
The Hague, Netherlands
3c670f3e12d60b7d975e587685c2bb4c11a655cc eoin

Eoin Dubsky, Campaign Manager

Eoin manages our European campaign teams. Before joining SumOfUs, Eoin worked at Greenpeace International in Amsterdam, and was involved in peace movements and environmental groups in Ireland.
Located in The Hague, Netherlands
Fatah Sadaoui
Campaign Manager
Paris, France
19c670fc904bb07d4da050cb90b40cdf36669c6e fatah

Fatah Sadaoui, Campaign Manager

Fatah is a Campaign Manager based on the U.S. East Coast, running campaigns in both French and English, Fatah studied in Paris, France and New York City where he earned a Master’s degree in Urban Planning and Affairs, and Critical Urban Theory. Prior to joining SumOfUs, Fatah helped low-income families in their interaction with local governments, and fought racial profiling in his home country of France.
Located in Paris, France
Hannah Lownsbrough
Executive Director
London, United Kingdom
9c68a4c801fca0a6a70894567ac72f75bbf6ae2c hannah

Hannah Lownsbrough, Executive Director

Hannah Lownsbrough is Executive Director of SumOfUs. Hannah has worked in campaigns for 15 years for organisations based all over the world including 38 Degrees, Avaaz and Friends of the Earth. She is a board member for Uplift in Ireland, and a school governor in London, where she lives.
Located in London, United Kingdom
Ivan Rosales
Finance and Operations Manager
New York, United States
E9285544e45f5bcabb644c32aef601e15046ea54 ivan

Ivan Rosales, Finance and Operations Manager

Ivan is a Senior Finance and Operations Associate. His job is to support our campaigns team by helping the organization maintain strong finances, operations and HR. Prior to SumOfUs, Ivan studied Bioethics at NYU.
Located in New York, United States
Jamila Brown
Communications Director
New York, United States
2c59295e1c5d4173596cf9e807292a6f3c655336 img 3551

Jamila Brown, Communications Director

Jamila is the Communications Director of SumOfUs and leads the global communications and media outreach strategy. For over 10 years she has worked at the intersection of international human rights advocacy, digital strategy, and traditional communications. Jamila is an Assistant Adjunct Professor at NYU Wagner Graduate School of Public Service teaching Strategic Communications.
Located in New York, United States
John Curry
Director of Operations
Northern California, United States
C4a1c69cf8f510e8105c873841a22ca4bbf5beff john

John Curry, Director of Operations

John is the Director of Operations and works on finance, HR, operations and security-related matters at SumOfUs. Prior to SumOfUs, he spent more than a decade working to alleviate food insecurity in a major US city.
Located in Northern California, United States
Katherine Tu
Campaign Manager
London, United Kingdom
F8706caa58513cf338cbf8093fb55e01b7bffbee kat

Katherine Tu, Campaign Manager

Kat is a Campaign Manager, working on a range of global and Australian campaigns, as well as fundraising. Prior to SumOfUs, she spent more than five years working as an organiser on progressive issues, especially on climate change.
Located in London, United Kingdom
Leyla Larbi
Campaigner
Bordeaux, France
5e68eb59ecdc255cde25fabfc64b65121ad712f5 leyla larbi 400x400

Leyla Larbi, Campaigner

Leyla is a campaigner based in Bordeaux, France. She has a Master’s Degree in International Law and a double Master’s Degree in Political Science from Bordeaux University and St Joseph University of Beirut, Lebanon. Leyla is a political activist from a working class background, and she continues to resist intersectional discriminations in France and internationally.
Located in Bordeaux, France
Nabil Berbour
Campaign Manager
Paris, France
8c75fcf48ac1db756a1b84eb7adaa57c5796ae92 nabil

Nabil Berbour, Campaign Manager

Nabil runs SumOfUs campaigns targeting big corporations in French and English speaking countries. He has an MBA in CSR management and worked for an MEP in the European Parliament.
Located in Paris, France
Nick Haines
Senior Campaigner
Melbourne, Australia
348022cac93407d429c3f1597a180a0ddbb78e9c nick haines headshot

Nick Haines, Senior Campaigner

Nick is a Senior Campaigner fighting to curb corporate power in Australia. Previously he took on big polluters at 350.org Australia, worked in electoral politics and fought alongside low paid essential service workers at United Voice.
Located in Melbourne, Australia
Omar Sahyoun
Lead Developer
Brighton, United Kingdom
2f712cb43d3ebdde278b6c3501b5380226014055 omar

Omar Sahyoun, Lead Developer

Omar is an experienced and passionate software developer, with a long-standing interest in social justice issues. He's delighted to be using his programming skills for good. Omar loves rock climbing, and says he might be good at it in a parallel universe.
Located in Brighton, United Kingdom
Rebecca Ruechel
Senior Data Analyst
Milwaukee, Wisconsin, United States
4248b5800ceb7f7a46959d97ffa762424d17a239 placeholder flower 400x400

Rebecca Ruechel, Senior Data Analyst

Rebecca is a Senior Data Analyst at SumOfUs, helping the organization use data to impactfully campaign. Before SumOfUs, she has worked in a variety of different fields, including IT, grassroots organizing, and the non-profit sector.
Located in Milwaukee, Wisconsin, United States
Reem Suleiman
Senior Campaigner
Oakland, United States
E9409045398125a6276413134094544608b780c8 reem

Reem Suleiman, Senior Campaigner

Reem is a Senior Campaigner residing in Oakland, CA. Before joining SumOfUs, Reem worked in the National Security and Civil Rights program at Advancing Justice-Asian Law Caucus in San Francisco, CA.
Located in Oakland, United States
Rodrigo Pavano
Software Engineer
Buenos Aires, Argentina
4c34326b9330f3495e1e1b10ea08d5290866bb5a rodrigo

Rodrigo Pavano, Software Engineer

Rodrigo is a Software Engineer eager to develop technology that not only is powerful and useful, but that also has human rights as its core design principle. Before SumOfUs he worked at several start-ups in the private sector.
Located in Buenos Aires, Argentina
Salma Mirza
Campaign Director
Durham, North Carolina, United States
871670d9baa51ebe0c8076c0890d37ca24ff7fd5 salma

Salma Mirza, Campaign Director

Salma is a SumOfUs Campaign Director leading both global and US/Canada campaigns. She has over 10 years experience in strategic campaigns at labor, environmental, and community organizations. She volunteers as a digital consultant with Durham for All, a political organization in North Carolina.
Located in Durham, North Carolina, United States
Sarah Weintraub
Development and Executive Programs Manager
Bay Area, United States
5be864e03a643b767cce77e21e551a7b7e8e5b53 sarah

Sarah Weintraub, Development and Executive Programs Manager

Sarah Weintraub is the Development and Executive Programs Manager at SumOfUs. Her main project is raising money from foundations to support our campaigns. She has worked as the Executive Director of the Buddhist Peace Fellowship, a Spanish-English translator, and a vegetarian chef, among other things.
Located in Bay Area, United States
Sijal Nasralla
Kairos Fellow
Durham, North Carolina, United States
01c296c191eb008f1c4df394d30b458b7770f113 sijal nasralla 400x400

Sijal Nasralla, Kairos Fellow

Sijal is an artist, grassroots organizer, and Kairos fellow based in Durham, NC. Before joining the US team as a campaigner, Sijal had been leading and supporting social justice efforts at the intersection of electoral politics, Palestinian-solidarity, Black Lives Matter, and refugee/immigrant rights both locally and globally.
Located in Durham, North Carolina, United States
Simona Sadzevičiūtė
Senior Data Analyst
Vilnius, Lithuania
B3b96b4d37b639693217bed59eff3296134cfe2a simona

Simona Sadzevičiūtė, Senior Data Analyst

Simona is Senior Data Analyst and helps the team make data based decisions to implement more impactful campaigns. Simona has 7 years of experience in data analysis and market research from the private sector.
Located in Vilnius, Lithuania
Sondhya Gupta
Senior Campaigner
London, United Kingdom
1dab81656922671162d21d8ada7d1efa8202532a sondhya

Sondhya Gupta, Senior Campaigner

Sondhya is a Senior Campaigner in the UK. Prior to SumOfUs she worked at Runnymede and Greenpeace, which followed a change in career from veterinary medicine! She brings her drive for environmental and social justice to her campaign work.
Located in London, United Kingdom
Tanya Joseph
Product Director
London, United Kingdom
5f8b3d5c93e5527470e3ffd76a651e86fdb9a275 tanya 400x400

Tanya Joseph, Product Director

Tanya works as Product Director with SumOfUs, focussed on using technology and data for good and to build products that empower our staff and members to create change. Before SumOfUs, Tanya has worked for over a decade in the tech space and is forever in awe about the human brain that she even took a dig to research on it.
Located in London, United Kingdom
Tom Barns
Fundraising & Campaigns Manager
London, United Kingdom
A8f5de5e91cfd78ff744df9e317693e857b1c384 tom barns 400x400

Tom Barns, Fundraising & Campaigns Manager

As Fundraising & Campaigns Manager, Tom is working to ensure that we have the resources we need to challenge corporate power globally, and to deliver our UK-focused campaigns. Tom was previously a Director for the Campaign Against Arms Trade. Before that he worked for an agency managing fundraising programmes for several of the UK’s largest charities, and as a campaigner for ActionAid UK working to challenge corporate tax avoidance. Tom is also on the board of the Campaign for Freedom of Information.
Located in London, United Kingdom
Toni Preston
Campaigner
New York, United States
33b8551ff736163d0d220d4dda378882e61d2e65 toni

Toni Preston, Campaigner

Toni Preston is a Campaigner, she spends her time writing petitions that mobilizes our members, and hold corporations accountable. Prior to joining SumOfUs, Toni was a union representative for hotel workers in New York City.
Located in New York, United States
Tricia Rich
Fundraising & Campaigns Director
London, United Kingdom
699ba3ed1e701a200f5795d3234017701dd8ab68 tricia

Tricia Rich, Fundraising & Campaigns Director

As Fundraising & Campaigns Director, Tricia is working to make sure SumOfUs has the resources we need to hold corporate power to account. She has a background in campaigning for human rights and social justice at a range of non-profits.
Located in London, United Kingdom
Tuuli Pöllänen
Software Engineer
Ljubljana, Slovenia
Fe12986f5908b0884434e34baab3064510fa6fb1 tuuli

Tuuli Pöllänen, Software Engineer

Tuuli is a Software Engineer, working with the product and the technology team to develop and maintain the open source web stack SumOfUs uses to power its digital campaigning efforts. She has a background in experimental psychology, statistics and OSS advocacy.
Located in Ljubljana, Slovenia
Vincent Martinez
Software Engineer
London, United Kingdom
816d8d18f10c01d721b4b0c3245d4bc33a2132e6 vincent

Vincent Martinez, Software Engineer

Vince is a Software Engineer and a passionate advocate for open source collaboration. Outside of tech, his other passion is sociology with a focus on the role of science and technology in achieving "sustainable" human progress and social justice. Before SumOfUs, Vince worked as a full stack consultant.
Located in London, United Kingdom
Wiebke Schröder
Campaign Manager
Berlin, Germany
B57cae96540a34f0716476d80786a10250214db2 wiebke

Wiebke Schröder, Campaign Manager

Wiebke is a Campaign Manager working on corporate power issues in German and English. Right now, she is particularly invested in helping to stop trade deals like TTIP from passing. Before SumOfUs, she has worked as an author, self-defense trainer and political youth educator.
Located in Berlin, Germany
Yohanna Briscoe
Managing Director
Seattle, Washington, United States
2741334ba6660cecc7a0eb5e5116b944c6843623 yohanna briscoe headshot edited

Yohanna Briscoe, Managing Director

Yohanna is the Managing Director at SumOfUs. She works as part of the Senior Leadership team to set organizational strategy while supporting the team in the fight to balance corporate power. Yohanna has a background in leading operations, HR, programs and fundraising at social justice organizations. Most recently, she worked at an international children’s literacy organization in New York City. She has a passion for social, environmental and economic justice. She believes in collaborative leadership and building resilient and inclusive communities where change can be imagined and implemented.
Located in Seattle, Washington, United States