Our COS Team

Astronomers, biologists, chemists, computer scientists, education researchers, engineers, neuroscientists, and psychologists have come together to provide tools and services that benefit all sciences.

We are always looking for good people to join the team. Check out our open positions here. 


Current Team Members

  • Sherif Abdelhamid

    Sherif Abdelhamid
    Developer | Infrastructure

  • Patrick Anderson

    Patrick Anderson
    Quality Assurance Intern | Infrastructure

  • Dawne Aycock

    Dawne Aycock
    Executive Assistant | Operations

  • Lauren Barker

    Lauren Barker
    Developer | Infrastructure

  • Tom Baxter

    Tom Baxter
    Developer | Infrastructure

  • Melanie Benjamin

    Melanie Benjamin
    Donor and Funder Relations Lead | Community

  • Joshua Bird

    Joshua Bird
    Developer | Infrastructure

  • Cameron Blandford

    Cameron Blandford
    Developer | Infrastructure

  • Abram Booth

    Abram Booth
    Developer | Infrastructure

  • Sara Bowman

    Sara Bowman
    Product Manager | Infrastructure

  • Erin Braswell

    Erin Braswell
    Developer | Infrastructure

  • Ron Brooks

    Ron Brooks
    Accounting Manager | Operations

  • Emily Carden

    Emily Carden
    Developer Intern | Infrastructure

  • Nan Chen

    Nan Chen
    Developer | Infrastructure

  • Longze Chen

    Longze Chen
    Developer | Infrastructure

  • Matt Clark

    Matt Clark
    Developer | Infrastructure

  • James Davis

    James Davis
    Developer | Infrastructure

  • Alexander DeHaven

    Alexander DeHaven
    Project Coordinator | Community

  • Alexandria Denis

    Alexandria Denis
    Research Coordinator | Metascience

  • Rheisen Dennis

    Rheisen Dennis
    Developer Intern | Infrastructure

  • Shikha Dubey

    Shikha Dubey
    Quality Assurance Intern | Inftrastructure

  • Saman Ehsan

    Saman Ehsan
    Developer | Infrastructure

  • Fitzhugh Elliott

    Fitzhugh Elliott
    Developer | Infrastructure

  • Tim Errington

    Tim Errington
    Metascience Manager | Metascience

  • Jolene Esposito

    Jolene Esposito
    Community Programs Lead | Community

  • Betsy Ferronato

    Betsy Ferronato
    Human Resources Specialist | Operations

  • Emily Flynn

    Emily Flynn
    Developer Intern | Infrastructure

  • Matthew Frazier

    Matthew Frazier
    Developer | Infrastructure

  • Jennifer Freeman Smith

    Jennifer Freeman Smith
    Openness and Transparency Trainer | Community

  • Brian Geiger

    Brian Geiger
    Developer | Infrastructure

  • Barrett Harber

    Barrett Harber
    Developer | Infrastructure

  • Henrique Harman

    Henrique Harman
    Developer| Infrastructure

  • Michael Haselton

    Michael Haselton
    Technical Manager | Infrastructure

  • Lily Hummer

    Lily Hummer
    Project Coordinator | Community

  • Amanda Liscouski

    Amanda Liscouski
    Quality Assurance Associate | Infrastructure

  • David Litherland

    David Litherland
    Sr. Project Manager | Infrastructure

  • Yuhuai Liu

    Yuhuai Liu
    Developer | Infrastructure

  • Steve Loria

    Steve Loria
    Developer | Infrastructure

  • Ryan Mason

    Ryan Mason
    Developer | Infrastructure

  • Jamie McReynolds

    Jamie McReynolds
    Bookkeeper | Operations

  • David Mellor

    David Mellor
    Project Manager | Community

  • Fabrice Mizero

    Fabrice Mizero
    Developer Intern | Infrastructure

  • Brian Nosek

    Brian Nosek
    Co-founder, Executive Director

  • Oludare Olugbemi

    Oludare Olugbemi
    Developer Intern | Infrastructure

  • Dawn Pattison

    Dawn Pattison
    Developer | Infrastructure

  • Nicole Pfeiffer

    Nicole Pfeiffer
    Product Manager | Infrastructure

  • Lauren Revere

    Lauren Revere
    Developer | Infrastructure

  • Casey Rollins

    Casey Rollins
    Developer | Infrastructure

  • Rebecca Rosenblatt

    Rebecca Rosenblatt
    User Support and Documentation Specialist | Product

  • Todd Sacco

    Todd Sacco
    Quality Assurance Associate | Infrastructure

  • Andrew Sallans

    Andrew Sallans
    Director of Operations | Operations

  • Addison Schiller

    Addison Schiller
    Developer Intern | Infrastructure

  • Allison Schiller

    Allison Schiller
    Quality Assurance Associate | Infrastructure

  • Alex Schiller

    Alex Schiller
    Developer | Infrastructure

  • Chris Seto

    Chris Seto
    Developer | Infrastructure

  • Courtney Soderberg

    Courtney Soderberg
    Statistical Consultant | Community

  • Rusty Speidel

    Rusty Speidel
    Marketing Manager

  • Jeff Spies

    Jeff Spies
    Co-founder, CTO

  • Matt Spitzer

    Matt Spitzer
    Community Manager | Community

  • Ian Sullivan

    Ian Sullivan
    Transparency and Openness Training Coordinator | Community

  • Jerry Sun

    Jerry Sun
    Developer Intern | Infrastructure

  • Jason Surma

    Jason Surma
    Recruiter | Operations

  • Baylee Swenson

    Baylee Swenson
    Developer | Infrastructure

  • Brandon Thorpe

    Brandon Thorpe
    Project Manager | Community

  • John Tordoff

    John Tordoff
    Developer | Infrastructure

  • Caner Uguz

    Caner Uguz
    Developer | Infrastructure

  • Karley Walker

    Karley Walker
    Developer Intern | Infrastructure

  • Chris Wisecarver

    Chris Wisecarver
    Developer | Infrastructure

  • Whitney Wissinger

    Whitney Wissinger
    Events and Facilities Coordinator | Operations


Our Alumni

  • Saif Ahmed

    Saif Ahmed
    Developer Intern | Infrastructure

  • Leo Alberto-Dominguez

    Leo Alberto-Dominguez
    Developer Intern | Infrastructure

  • Zobair Alijan

    Zobair Alijan
    Developer Intern | Infrastructure

  • Robert Amanfu

    Robert Amanfu
    Developer Volunteer | Infrastructure

  • Kwame Asante

    Kwame Asante
    Developer Intern | Infrastructure

  • Sonya Badigian

    Sonya Badigian
    Developer| Infrastructure

  • Rohan Bajaj

    Rohan Bajaj
    Developer Volunteer | Infrastructure

  • Larry Banner

    Larry Banner
    Technical Project Manager | Infrastructure

  • William Banner

    William Banner
    QA Intern | Infrastructure

  • Erica Baranski

    Erica Baranski
    University of California - Riverside, USA

  • Eric Barbour

    Eric Barbour
    Developer Intern | Infrastructure

  • Chris Bischak

    Chris Bischak
    Developer Intern | Infrastructure

  • Andy Boughton

    Andy Boughton
    Developer | Infrastructure

  • Saul Brodsky

    Saul Brodsky
    Developer Intern | Infrastructure

  • Derek Brooks

    Derek Brooks
    Human Resources Intern | Community

  • Daniel Brown

    Daniel Brown
    Developer Volunteer | Infrastructure

  • Katy Cain

    Katy Cain
    Social Media Intern | Community

  • Josh Carp

    Josh Carp
    Developer | Infrastructure

  • Jillian Carrigan

    Jillian Carrigan
    Administrative Assistant Intern | Community

  • Dejah Carter

    Dejah Carter
    Administrative Assistant Intern | Community

  • Darion Cassel

    Darion Cassel
    Developer Intern | Infrastructure

  • Chelsea Chandler

    Chelsea Chandler
    Developer Intern | Infrastructure

  • Haoyu Chen

    Haoyu Chen
    Web Design Intern | Infrastructure

  • Carolyn Chheath

    Carolyn Chheath
    Developer Volunteer | Infrastructure

  • Sam Chrisinger

    Sam Chrisinger
    Developer | Infrastructure

  • Annette Chun

    Annette Chun
    Developer Intern | Infrastructure

  • April Clyburne-Sherin

    April Clyburne-Sherin
    Reproducible Research Evangelist | Community

  • Johanna Cohoon

    Johanna Cohoon
    Project Coordinator | Metascience

  • Katya Davydova

    Katya Davydova
    Human Resources Intern | Community

  • Hunter Dayton

    Hunter Dayton
    Community Intern | Community

  • Cole Fairchild

    Cole Fairchild
    Developer Volunteer | Infrastructure

  • Peter Fan

    Peter Fan
    Developer Intern | Infrastructure

  • Sadiyah Faruk

    Sadiyah Faruk
    Developer Intern | Infrastructure

  • Alexander Ferguson

    Alexander Ferguson
    Developer Intern | Infrastructure

  • Cailey Fitzgerald

    Cailey Fitzgerald
    Software Quality Engineer | Infrastructure

  • Gage Gaskins

    Gage Gaskins
    Developer Intern | Infrastructure

  • Leela Ghaemmaghami

    Leela Ghaemmaghami
    Developer Volunteer | Infrastructure

  • Catherine Gineste

    Catherine Gineste
    Administrative Assistant Intern | Community

  • Jordan Gold

    Jordan Gold
    QA Intern | Infrastructure

  • Bryan Gorges

    Bryan Gorges
    Developer | Infrastructure

  • Patrick Gorman

    Patrick Gorman
    Developer Intern | Infrastructure

  • Monika Grabowska

    Monika Grabowska
    Developer Intern | Infrastructure

  • Kushagra Gupta

    Kushagra Gupta
    Developer Intern | Infrastructure

  • Abhishek Gupta

    Abhishek Gupta
    Developer Intern | Infrastructure

  • Acshi Haggenmiller

    Acshi Haggenmiller
    Developer Intern | Infrastructure

  • Jamie Hand

    Jamie Hand
    Developer Intern | Infrastructure

  • Thomas Heatwole

    Thomas Heatwole
    Developer Intern | Infrastructure

  • Reina Hernandez

    Reina Hernandez
    Developer Intern | Infrastructure

  • Xander Herrick

    Xander Herrick
    Developer Intern | Infrastructure

  • Kelsey Hewett

    Kelsey Hewett
    Developer Intern | Infrastructure

  • Denise Holman

    Denise Holman
    Office Manager & Events Coordinator | Operations

  • Ginny Huang

    Ginny Huang
    Developer Intern | Infrastructure

  • Tanesha Hudson

    Tanesha Hudson
    Developer Intern | Infrastructure

  • Billy Hunt

    Billy Hunt
    Developer | Infrastructure

  • Faye Huynh

    Faye Huynh
    Developer Intern | Infrastructure

  • Terron Ishihara

    Terron Ishihara
    Developer Intern | Infrastructure

  • Zach Janicki

    Zach Janicki
    Developer Intern | Infrastructure

  • Nirali Jantrania

    Nirali Jantrania
    Developer Intern | Infrastructure

  • Sydney Johnson

    Sydney Johnson
    Developer Intern | Infrastructure

  • Andrew Juers

    Andrew Juers
    Developer Volunteer | Infrastructure

  • Kurtis Jungersen

    Kurtis Jungersen
    Developer Intern | Infrastructure

  • Matthew Keitelman

    Matthew Keitelman
    Developer Intern | Infrastructure

  • Megan Kelly

    Megan Kelly
    Developer Intern | Infrastructure

  • Mallory Kidwell

    Mallory Kidwell
    Project Coordinator | Metascience

  • Alexander Kim

    Alexander Kim
    Developer Intern | Infrastructure

  • Revanth Kolli

    Revanth Kolli
    Developer Intern | Infrastructure

  • Zakary Kraimeche

    Zakary Kraimeche
    Developer Intern | Infrastructure

  • Gary Kriebel

    Gary Kriebel
    Technical Project Manager | Infrastructure

  • Casey Kugler

    Casey Kugler
    Recruiter | Community

  • Himica Kumar

    Himica Kumar
    Developer Intern | Infrastructure

  • Michael Lapuz

    Michael Lapuz
    Developer Intern | Infrastructure

  • Melissa Lewis

    Melissa Lewis
    Project Coordinator | Infrastructure

  • Robert Liebowitz

    Robert Liebowitz
    Developer Intern | Infrastructure

  • Jiankun Liu

    Jiankun Liu
    Developer Intern | Infrastructure

  • Madelyn Luansing

    Madelyn Luansing
    Developer Intern | Infrastructure

  • Maxwell Luo

    Maxwell Luo
    Developer Intern | Infrastructure

  • Mengjia Luo

    Mengjia Luo
    Developer Intern | Infrastructure

  • Austin Macdonald

    Austin Macdonald
    Developer Intern | Infrastructure

  • Luke Marsh

    Luke Marsh
    Developer Intern | Infrastructure

  • Erin Mayhood

    Erin Mayhood
    Product Manager | Infrastructure

  • Harris Mendell

    Harris Mendell
    Developer Intern | Infrastructure

  • Natalie Meyers

    Natalie Meyers
    Partnerships and Collaborations Manager | Community

  • Kaitlyn Miller

    Kaitlyn Miller
    Developer Intern | Infrastructure

  • Azeem Mufti

    Azeem Mufti
    Developer Intern | Infrastructure

  • Patrick Muggill

    Patrick Muggill
    IT Intern | Infrastructure

  • Amanda Myrick

    Amanda Myrick
    Human Resources Intern | Operations

  • Jesse Nayak

    Jesse Nayak
    Developer Intern | Infrastructure

  • Maggie Negm

    Maggie Negm
    Developer Intern | Infrastructure

  • Cornelius Nelson

    Cornelius Nelson
    Developer Volunteer | Infrastructure

  • Patrick Nussbaum

    Patrick Nussbaum
    Developer Intern | Infrastructure

  • Himanshu Ojha

    Himanshu Ojha
    Developer Intern | Infrastructure

  • Chelsea Overstreet

    Chelsea Overstreet
    Developer Intern | Infrastructure

  • Wisher Paudel

    Wisher Paudel
    QA Intern | Infrastructure

  • Sam Portnow

    Sam Portnow
    Developer Volunteer | Infrastructure

  • Brandon Purvis

    Brandon Purvis
    Developer Intern | Infrastructure

  • Arpita Ramachandra

    Arpita Ramachandra
    Developer Intern | Infrastructure

  • Megan Renfro

    Megan Renfro
    Financial Coordinator | Operations

  • Gene Rhee

    Gene Rhee
    Developer Volunteer | Infrastructure

  • Dominic Ritchey

    Dominic Ritchey
    Developer Intern | Infrastructure

  • Jake Rosenberg

    Jake Rosenberg
    Developer Intern | Infrastructure

  • Marcus Rosti

    Marcus Rosti
    Developer Intern | Infrastructure

  • Patrick Ryan

    Patrick Ryan
    Developer Intern | Infrastructure

  • Harry Rybacki

    Harry Rybacki
    Developer | Infrastructure

  • Anna Sanfilippo

    Anna Sanfilippo
    Developer Intern | Infrastructure

  • Katherine Schinkel

    Katherine Schinkel
    Developer Intern | Infrastructure

  • Aaron Sheldon

    Aaron Sheldon
    Bookkeeper Intern

  • Amy Shi

    Amy Shi
    Developer Intern | Infrastructure

  • Lyndsy Simon

    Lyndsy Simon
    Developer | Infrastructure

  • Heather Sledd

    Heather Sledd
    Developer Intern | Infrastructure

  • Cooper Spinelli

    Cooper Spinelli
    Developer Intern | Infrastructure

  • Carolyn Stewart

    Carolyn Stewart
    Developer Intern | Infrastructure

  • Elena Svenson

    Elena Svenson
    Community Intern | Community

  • Sara Taylor

    Sara Taylor
    Developer Intern | Infrastructure

  • Pierce Tickle

    Pierce Tickle
    Developer Intern | Infrastructure

  • Ellis Tsung

    Ellis Tsung
    Developer Intern | Infrastructure

  • Luis Villavicencio

    Luis Villavicencio
    Developer Intern | Infrastructure

  • Matthew Vitting

    Matthew Vitting
    Developer Intern | Infrastructure

  • Fabian von Feilitzsch

    Fabian von Feilitzsch
    Developer | Infrastructure

  • Gina Vuu

    Gina Vuu
    QA Intern | Infrastructure

  • Roman Wang

    Roman Wang
    Developer Intern | Infrastructure

  • Natasha Welcher

    Natasha Welcher
    Software Quality Engineer | Infrastructure

  • Stephen Williams

    Stephen Williams
    Research Scientist | Metascience

  • Jim Witschey

    Jim Witschey
    Developer Intern | Infrastructure

  • Michelle Yao

    Michelle Yao
    Developer Intern | Infrastructure

  • Benjamin Yetton

    Benjamin Yetton
    Developer Intern | Infrastructure

  • Jinlu Yuan

    Jinlu Yuan
    QA Intern | Infrastructure

  • Merlin Zhang

    Merlin Zhang
    Developer Intern | Infrastructure

  • Tao Zhou

    Tao Zhou
    Developer Intern | Infrastructure

  • Wendy Zhu

    Wendy Zhu
    Developer Volunteer | Infrastructure