Our Team


Amanda Menking

Amanda Menking
Director of Programs

Amanda Menking joined TSPA and TSF after spending a decade in academia, researching bias, knowledge production, and safety in online communities and teaching courses about design, research, and human-computer interaction. She’s also a veteran of the Seattle tech scene, having worked for two start-ups and as a vendor at Microsoft prior to pursuing her Ph.D. in Information Science. Amanda is most interested in doing meaningful work with thoughtful, kind people with the aim of building more just and equitable worlds.

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.

Ileah Vazquez
Membership Manager

Ileah Vazquez joined TSPA with over 10 years of experience serving her community in the event and nonprofit management industries. She specializes in member relations, event logistics, operations management, and professional development training. Since 2009, Ileah has worked seasonally in the entertainment department for Universal Orlando, bringing joy to millions from around the world. Ileah believes in making a positive impact in her community with the work she loves to do.

Kaofeng Lee
Director of Organizational Development

Kaofeng Lee joined TSPA and TSF after 14 years of working as an advocate, educator, and community builder in the field of gender-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.

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Kristelyn Berry
Events & Communications Manager

Kristelyn Berry joined TSPA with over 10 years in event production and communications experience. Kristelyn is a connector, strategist, and innovator in the nonprofit and corporate sector. Kristelyn began her career working at national nonprofits specializing in advocacy and training/technical assistance for survivors of domestic and sexual violence. During this time, she found her niche of creating inclusive spaces for survivors of violence and persons with disabilities. Kristelyn is passionate about creating meaningful spaces for people to connect and spark joy.

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Kristy Kosak
Senior Program Manager, TSPA

Kristy Kosak joined TSPA after spending 10 years working on the front lines of child safety, collaborating with industry professionals across platforms large and small. In her role as Director of Digital Programs at Thorn, Kristy led strategies to elevate programmatic goals and build communities among youth and caregivers centered around child safety. Prior to Thorn, Kristy spent five years at a digital marketing agency, helping nonprofit clients big and small create positive change and build communities through various digital platforms. Balancing creativity, strategy, and impact is Kristy’s sweet spot, allowing each facet to inspire the other.

Away from screens, you can find Kristy adventuring outdoors with her dog Birdie, fostering dogs who are looking for their forever home, and enjoying live music big and small.

Maggie Cook Kerr
Director of Community

Maggie spent 12 years serving in trust and safety roles before joining TSPA and TSF in 2023. She began her career at Facebook, where she investigated child sexual abuse before building a team working to prevent child sexual abuse, sex trafficking, and extremism through victim-centric product, policy, and process change. She went on to build and lead DoorDash’s safety strategy and operations function for which her team led the strategy behind a suite of tools to protect the community. A strong believer in a proactive approach to resilience, Maggie took a one-year sabbatical between these roles to live in a camper with her dog and husband and master the art of campfire stir fry. Throughout her career, Maggie has sought out opportunities to strengthen the trust and safety profession as a whole and jumped at the opportunity to do so full-time with TSPA.


Adelin Cai

Adelin Cai
Co-Founder &
Board Chair

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.

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.

Clara Tsao
Co-Founder &
Board Member

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.

Denelle Dixon
Board Member

Denelle Dixon is the CEO and Executive Director of the Stellar Development Foundation, a nonprofit organization using blockchain to unlock the world’s economic potential by making money more fluid, markets more open, and people more empowered. Before joining Stellar, Denelle served as COO of Mozilla, the mission-driven, open-source software organization. During her tenure at Mozilla, she led the organization’s business, revenue and policy teams including the ongoing fight for net neutrality and the global effort to ensure that people can control their personal data.

Dona Bellow
Board Member

Dona currently works at Reddit and leads Platform Safety Policy, a team that partners cross-functionally to develop and evolve the corpus of policies that support the Reddit community, its content and product experience. For the past 3 years, Dona also served as an Advisor to the Trust & Safety Professional Association, where she supported various panels and conference appearances, TrustCon programming, as well as opportunities to strengthen professional connection and mentorship within the trust & safety community. Prior to joining Reddit, Dona worked on safety challenges across legal policy, child safety operations, product policy, and responsible innovation programs, at small and very large organizations — including Google, Airbnb, Twitter, Meta, and a 100-person startup. Dona is a native of Togo (West Africa) and grew up in France where she completed her education in Public International Law & Human Rights.

Alexander “amac” Macgillvray
Board Member

Alexander “amac” Macgillivray is a lawyer and technologist who was most recently Deputy Assistant to the President and Principal Deputy U.S. Chief Technology Officer (CTO) in the Biden-Harris Administration. He is a co-founder of TSPA and TSF.  Previously he worked on Technology Strategy & Delivery for the Biden Transition; was Deputy U.S. CTO for the Obama-Biden Administration; was General Counsel, Head of Corporate Development, Trust & Safety and Communications for Twitter, and Associate General Counsel for Google. He has been a board member at Data and Society and CAMFED USA; a co-founder and board member at Alloy.us; and helped found the Berkman Klein Center at Harvard Law School. He holds a JD from Harvard, a BA in Reasoning and Decision Making from Princeton, and a NJ Teaching Certificate in Elementary Education. He lives in Washington, DC.