Our Team


Charlotte Willner

Executive Director

Charlotte Willner joined TSPA and TSF after 15 years of working in online trust and safety. She began her career at Facebook, where she led international user support, then built out their first safety operations team. She went on to build and lead Pinterest’s trust and safety operations team, overseeing online safety, law enforcement response, and intellectual property matters. She holds a degree in English from Bowdoin College and is delighted to show you that this is, in fact, what you can do with an English degree.

Chelsea Wallau

Executive Assistant

Chelsea was born and raised in Palo Alto, California in the heart of Silicon Valley. Chelsea holds an Associates Degree in Early Childhood Education, and is a former infant educator. Working for mission based organizations like TSPA is important to Chelsea because she believes that we all need to do our part to make the world better each day. She is especially passionate about doing what she can to make things better for the sake of generations to come, because she believes children are our most important resource.

Kaofeng Lee

Director of Organizational Development

Kaofeng Lee joins TSPA and TSF after 14 years of working as an advocate, educator, and community builder in the field of g]ender-based violence and technology. She was previously at the National Network to End Domestic Violence (U.S.) and the Women’s Services Network (Australia) where she advocated with community organizations, policymakers, and technology companies for better policies and practices on gender and technology. Kaofeng is passionate about connecting communities, empowering people, and working together to create a safer and just world.


Adelin Cai

Co-Founder & Board Member

Adelin Cai has spent the last decade working with and leading teams responsible for product policies and their enforcement. As Pinterest’s former Head of Policy, she led the team that developed the company’s principles and core values around content moderation, covering a range of issues from hateful speech to medical (mis)information to dank memes. Prior to Pinterest, she ran Twitter’s Legal Ads Policy team, guiding policy and operations for Twitter’s self-serve and international advertising products.

Clara Tsao headshot

Clara Tsao

Co-Founder & Board Chair

Clara Tsao was a 2019 Mozilla Fellow examining the impact of policies related to content moderation, online disinformation, and terrorist content. Clara previously served as the Senior Advisor for Emerging Technology at the Department of Homeland Security and as Chief Technology Officer of US Government’s interagency Countering Violent Extremism and Countering Foreign Influence Task Force. Prior to government, Clara worked in Microsoft’s public sector team focused on digital literacy and worldwide education. Clara is a non-resident fellow focused on disinformation at German Marshall Fund and Atlantic Council, and a senior advisor for the UN-backed initiative, Tech Against Terrorism.

Eric Goldman

Co-Founder & Board Member

Eric Goldman is a Professor of Law at Santa Clara University School of Law. He has been writing about and teaching Internet law for a quarter-century. Before entering academia full-time, Goldman was General Counsel at consumer review site Epinions.com. He founded the Content Moderation at Scale conference series, which brought together hundreds of trust and safety professionals in 2018 and 2019.

Tim Lordan headshot

Tim Lordan

Board Member

Tim Lordan is the Executive Director for the Internet Education Foundation (IEF), a non-partisan, non-profit 501(c)(3) organization, dedicated to educating the public and policy makers about the potential of a decentralized global Internet to promote democracy, communications, and commerce.

Mr. Lordan is an attorney admitted to the Massachusetts State Bar and is a graduate of Suffolk University Law School.