Staff and Contractors – Wikimedia Foundation

Over 300 people from many countries share a commitment to free knowledge and work together with our community.

Office of the Chief Executive Officer and Executive Director

Supports the work of the Wikimedia Foundation Chief Executive Officer and Executive Director, in leading Foundation decision making and advocacy.

Katherine Maher

Chief Executive Officer and Executive Director

Gretchen Yen

Executive Assistant to the Executive Director & Liaison to the Board of Trustees

Movement Strategy

Tanveer Hasan

Project Manager (Information & Knowledge) (Contractor)

Advancement

Leads fundraising and strategic partnerships to support the Wikimedia movement. Every year, they engage over 2 million people from nearly every country in the world to support Wikimedia projects.

Leticia Navarro

Administrative Assistant (shared support for Communications & Advancement)

Endowment

Foundations and Major Gifts

Jonathan Curiel

Senior Development Communications Manager

Fundraising Operations

Online Fundraising

Partnerships and Global Reach

Sakti Pramudya

Partnerships and Global Reach Manager (Contractor)

Jack Rabah

Regional Manager, Strategic Partnerships - Middle East and Africa (Contractor)

Jorge Vargas

Regional Manager, Strategic Partnerships - Latin America

Audiences

Builds products that enable collaboration and tools for creating and editing free knowledge. Leads user research, experience design, and cross-device support including mobile apps and voice technology.

Toby Negrin

Chief Product Officer

James Forrester

Senior Product Manager

Janna Layton

Administrative Assistant

Megan Neisler

Senior Project Coordinator

Audiences Design

Daisy Chen

Design Researcher

Pamela Drouin

User Experience Designer

Volker Eckl

Senior User Experience Engineer

Pau Giner

Senior User Experience Designer (Contractor)

Rita Ho

Senior User Experience Designer (Contractor)

Alex Hollender

User Experience Designer

Carolyn Li-Madeo

User Experience Designer

Nirzar Pangarkar

Design Director

Prateek Saxena

User Experience Software Engineer (Contractor)

Robin Schoenbaechler

Fundraising Banner Designer (Contractor)

Contributors

C. Scott Ananian

Senior Software Engineer

Shannon Bailey

Software Engineer

David Barratt

Software Engineer

Stephane Bisson

Senior Software Engineer (Contractor)

Trevor Bolliger

Product Manager

Arlo Breault

Senior Software Engineer (Contractor)

David Chan

Senior Software Engineer (Contractor)

Thalia Chan

Software Engineer (Contractor)

Bartosz Dziewoński

Software Engineer (Contractor)

Alex Ezell

Engineering Manager

Marcella Florence

Engineering Manager

Kosta Harlan

Senior Software Engineer

Danny Horn

Director of Product Management

Ryan Kaldari

Director of Engineering

Roan Kattouw

Principal Software Engineer

Jessica Klein

Senior UX Designer

Niharika Kohli

Product Manager

David Lynch

Senior Software Engineer

Joe Matazzoni

Product Manager, Collaboration

Dayllan Maza

Senior Software Engineer

Marshall Miller

Product Manager, Growth

Peter Pelberg

Product Manager

Ed Sanders

Principal Software Engineer (Contractor)

Subbu Sastry

Principal Software Engineer

Moriel Schottlender

Senior Software Engineer

Max Semenik

Software Engineer

Elena Tonkovidova

QA Engineer

Marielle Volz

Software Engineer (Contractor)

Morten Warncke-Wang

Data Analyst

Sam Wilson

Software Engineer (Contractor)

Rummana Yasmeen

QA Engineer

Leon Ziemba

Software Engineer

Kate Zimmerman

Senior Engineering Manager

Language

Amir Aharoni

Strategist (Contractor)

Runa Bhattacharjee

Senior Engineering Manager (Contractor)

Niklas Laxström

Senior Software Engineer (Contractor)

Kartik Mistry

Software Engineer (Contractor)

Angela Muigai

Senior Product Manager (Contractor)

Petar Petković

Software Engineer (Contractor)

Santhosh Thottingal

Senior Software Engineer (Contractor)

Product Design Strategy

Claudia Lo

Design Researcher

Margeigh Novotny

Senior Director, Design Strategy

Abigail Ripstra

Lead Design Researcher

Program Management

Amanda Bittaker

Program Manager

Anne Gomez

Senior Program Manager

Readers

Adam Baso

Director, Engineering

Tilman Bayer

Senior Analyst

Anthony Borba

QA Exploratory Tester

Dmitry Brant

Senior Software Engineer

Jan Drewniak

UX Engineer (Contractor)

Cooltey Feng

Software Engineer

Eric Gardner

Software Engineer

Charlotte Gauthier

Product Manager (Contractor)

Sharvani Haran

Software Engineer

Natalia Harateh

Software Engineer

Joaquin Hernandez

Senior Software Engineer (Contractor)

Michael Holloway

Software Engineer

Mark Holmquist

Engineering Manager

Monte Hurd

Software Engineer

Ramsey Isler

Product Manager

Jon Katz

Director of Product Management, Reading Product Lead

Jason Linehan

Senior Software Engineer

Piotr Miazga

Software Engineer (Contractor)

Josh Minor

Senior Product Manager

Matthias Mullie

Software Engineer (Contractor)

Stephen Niedzielski

Senior Software Engineer

Paul Norman

Software Engineer (Contractor)

Cormac Parle

Senior Software Engineer (Contractor)

Mikhail Popov

Data Analyst

Neil Quinn

Product Analyst

Nicholas Ray

Software Engineer

Jon Robson

Senior Software Engineer

Mateus Batista Santos

Software Engineer (Contractor)

Toni Sevener

Software Engineer

Bernd Sitzmann

Software Engineer

Sam Smith

Engineering Manager (Contractor)

Gergő Tisza

Senior Software Engineer

Olga Vasileva

Product Manager (Contractor)

Brion Vibber

Lead Software Architect

Joe Walsh

Senior Software Engineer

Hana Worku

Software Engineer

Chelsy Xie

Data Analyst

Technical Program Management

Max Binder

Team Effectiveness Coach

Grace Gellerman

Manager, Program Management

Lani Goto

Associate Program Manager

Jazmin Tanner

Program Manager

Communications

Leads the Foundation’s efforts to openly and effectively share information. Responsible for Wikimedia brand development, marketing, social media, public relations, and global awareness efforts.

Heather Walls

Chief Creative Officer

Samir Elsharbaty

Writer (Contractor)

Ed Erhart

Senior Editorial Associate

Blanca Flores

Junior Designer

Aubrie Johnson

Social Media Associate

Kui Kinyanjui

Vice President, Communications

Melody Kramer

Senior Digital Audience Manager

Samantha Lien

Communications Manager

Zachary McCune

Senior Global Brand Manager

Leticia Navarro

Administrative Assistant (shared support for Communications & Advancement)

Adora Svitak

Communications Fellow

Lena Traer

Creative Project Manager

Gregory Varnum

Communications Strategist

Community Engagement

Supports Wikimedia communities through grant-making, training, technology, capacity development, and governance discussions.

Valerie D’Costa

Chief of Community Engagement

Maggie Dennis

Vice President of Support and Services

Lauren Miranda

Project Manager

Community Development

Asaf Bartov

Senior Program Officer, Emerging Wikimedia Communities (Contractor)

Simona Ramkisson

Manager of Community Development (Contractor)

Community Programs

Sandra Fauconnier

Program Officer, GLAM and Structured Data (Contractor)

Satdeep Gill

Program Officer, GLAM and Underrepresented Knowledge (Contractor)

Melissa Guadalupe Huertas

Program Officer, Education (Contractor)

Jake Orlowitz

The Wikipedia Library

Nichole Saad

Senior Program Manager, Education

Alex Stinson

Senior Strategist

Ben Vershbow

Director

Sam Walton

Program Officer, Citations (Contractor)

Community Relations

María Cruz

Communication & Outreach Project Manager

Benoît Evellin

Community Relations Specialist (Contractor)

Rachel Farrand

Events Program Manager

Quim Gil

Senior Manager, Community Relations (Contractor)

Johan Jönsson

Community Relations Specialist (Contractor)

Chris Koerner

Community Relations Specialist

Elena Lappen

Community Relations Specialist

Erica Litrenta

Manager of Community Relations Specialists (Contractor)

Keegan Peterzell

Community Relations Specialist

Sherry Snyder

Community Relations Specialist (Contractor)

Nick Wilson

Documentation Specialist (Contractor)

Community Resources

Chen Almog

Program Officer, Conference & Event Grants (Contractor)

Sati Houston

Senior Strategist

Woubzena Jifar

Rapid Grants Program Officer

Marti Johnson

Program Officer, Individual Grants

Morgan Jue

Grants Administrator

Katy Love

Director of Resources

Delphine Ménard

Program Officer, Annual Plan Grants (Contractor)

Winifred Olliff

Senior Program Officer

Chris Schilling

Program Officer

Janice Tud

Senior Grants Administrator

Alex Wang

Senior Program Officer

Learning and Evaluation

Jaime Anstee

Senior Strategist, Manager

Dana McCurdy

Evaluation Strategist

Dumisani Ndubane

Monitoring and Evaluation Strategist (Contractor)

Trust and Safety

Karen Brown

Trust and Safety Specialist

Patrick Earley

Trust and Safety Policy Manager (Contractor)

Jan Eissfeldt

Lead Manager of Trust and Safety (Contractor)

Samuel Guebo

Trust and Safety Specialist (Contractor)

Tyresia Hargrove

Trust and Safety Specialist

Sydney Poore

Trust and Safety Specialist

Christel Steigenberger

Trust and Safety Specialist (Contractor)

Joe Sutherland

Trust and Safety Specialist

Kalliope Tsouroupidou

Senior Trust and Safety Specialist (Contractor)

Finance and Administration

Ensures responsible management of Wikimedia Foundation funds and resources, in keeping with our core values of transparency and accountability.

Jaime Villagomez

Chief Financial Officer

Amy Vossbrinck

Executive Assistant to the CFO, F&A, and the General Counsel

Administration

Doreen Dunican

Travel Manager

Lynette Logan

Director of Administration

Robert Miller

Facility Project Manager

Erin Morris

Travel Assistant

Sasha Redkina

Front Office Coordinator

Tomas WhiteAntelope

Administrative Assistant

Karen Zwicker

Group Travel Project Manager

Finance

James Baldwin

Finance Manager

Yunita Clerici

Accounting Manager

Sandra George

Accountant

Julianne Joe

Staff Accountant II

Jim Knight

Senior Financial Analyst

Meron Kristos

Senior Accountant

Alan Lau

Sr Financial Analyst

Tony Le

Controller

Dennis Porter

Staff Accountant

Pamela Swaby

Procurement Manager

Office IT

Eliza Barrios

IT Manager

Josephine Cabanero

IT Technical Support

Brendan Campbell-Craven

IT A/V Systems Specialist

Emerauld Ross

Help Desk Support Tier II

Legal

Defends the Wikimedia movement by opposing government surveillance and censorship, defending our communities, facilitating open policy discussions, and advocating for privacy.

Tony Sebro

Interim General Counsel

Katie Francis

Senior Paralegal

Eileen Hershenov

Of Counsel

Rachel Stallman

Senior Paralegal

Amy Vossbrinck

Executive Assistant to the CFO, F&A, and the General Counsel

Counsel

James Buatti

Legal Counsel

Jan Gerlach

Senior Public Policy Manager

Stephen LaPorte

Legal Director

Leighanna Mixter

Legal Counsel

Aeryn Palmer

Senior Legal Counsel II

Jacob Rogers

Senior Legal Counsel

Chuck Roslof

Legal Counsel

Amelia Sanchez-Moran

Senior Legal Counsel

Sherwin Siy

Senior Public Policy Manager

Legal interns and fellows

Allison Davenport

Technology Law and Policy Fellow

Purrrrrcy

Mascot, Legal

Talent and Culture

Recruits and supports skilled, passionate people to advance the Wikimedia mission. Invests in people by offering a wide range of benefits including leadership training.

Joady Lohr

Chief Talent and Culture Officer

Julie Brown

Director of Recruiting

Ana Cho

Recruiter (Contractor)

Daniel DeJarnatt

Human Resources Specialist

Elena Goliy

Benefits and Wellness Administrator

Lisa Hiraide

Recruiting Coordinator

James Holder

Senior Recruiter

Traci Hughes

Recruiter (Contractor)

Kristen Lans

Director of Learning and Development

Angel Lewis

People Relations and Inclusion Lead

Cara Palanca

Talent and Culture Coordinator

Arthur Richards

Learning and Development Lead

Sarah Roth

Senior Technical Recruiter

Rocio Salazar

Talent and Culture Administrator

Liz Velarde

Associate Recruiter

Jessi Whalen

Learning & Development Specialist

Aubrey Williams

Diversity & Inclusion Program Associate

Technology

Maintains and advances the technology needed to keep Wikimedia projects open, functional, and internationally accessible. In working closely with thousands of volunteer developers, the technology team makes Wikimedia one of the world’s most committed open source organizations.