Rachel Bronson

President and CEO
Bronson is the President and CEO of the Bulletin of the Atomic Scientists where she oversees the publishing programs, the management of the Doomsday Clock, and a growing set of activities around nuclear weapons, nuclear energy, climate change and emerging technologies. Before joining the Bulletin, she served for eight years at the Chicago Council on Global Affairs in a number of capacities including: vice president of studies, vice president of programs and studies, and senior fellow, global energy. She also taught "Global Energy" as an adjunct professor at the...


John Mecklin

John Mecklin is the editor-in-chief of the Bulletin of the Atomic Scientists. Previously, he was editor-in-chief of Miller-McCune (since renamed Pacific Standard), an award-winning national magazine that focused on research-based solutions to major policy problems. Over the preceding 15 years, he was also: the editor of High Country News, a nationally acclaimed magazine that reports on the American West; the consulting executive editor for the launch of Key West, a regional magazine start-up directed by renowned magazine guru Roger Black; and the top editor for...

Lucien Crowder

Senior Editor
Crowder oversees the Bulletin’s coverage of chemical weapons, biological weapons, and emerging technologies such as artificial intelligence, autonomous weapons, and cyber issues. He joined the Bulletin in 2012 to launch its Development and Disarmament Roundtable series, a feature that ran through the end of 2016. From 2006 through 2011, Crowder was associate editor at Current History, a monthly magazine devoted to contemporary international affairs. He began his journalism career in Taiwan, where he reported for a business magazine, edited for a daily newspaper, and published freelance...

Dan Drollette Jr

Deputy Editor
Drollette is a science writer/editor and foreign correspondent who has filed stories from every continent except Antarctica. His stories have appeared in Scientific American, International Wildlife, MIT’s Technology Review, Natural History, Cosmos, Science, New Scientist, and the BBC Online, among others. He was a TEDx speaker to Frankfurt am Main, Germany, and held a Fulbright Postgraduate Traveling Fellowship to Australia—where he lived for a total of four years. For three years, he edited CERN’s on-line weekly magazine, in Geneva, Switzerland, where his office was 100 yards from the...

Thomas Gaulkin

Multimedia Editor
Thomas Gaulkin joined the Bulletin of the Atomic Scientists as multimedia editor in March 2018. He spent the previous decade working in communications at the University of Chicago, first for the Centers for International Studies and International Social Science Research, and later as Director of News and Online Content for the Division of the Social Sciences. From 1999-2002 and again in 2006 Gaulkin produced Worldview, Chicago Public Radio’s daily global affairs program. He received a BA with honors in Political Science from the University of Chicago.

Dawn Stover

Contributing Editor, Energy, Environment, and Climate
Stover is a science writer based in the Pacific Northwest and is a contributing editor at the Bulletin. Her work has appeared in Scientific American, Conservation, Popular Science, New Scientist, The New York Times, and other publications. One of her articles is included in the 2010 Best American Science and Nature Writing, and another article was awarded a special citation by the Knight-Risser Prize for Western Environmental Journalism.

Elisabeth Eaves

Contributing Editor, Columnists
Before joining the Bulletin as columns editor in 2013, Eaves was a columnist at the tablet newspaper The Daily, where she also launched and edited the opinions page. From 2006 to 2010 she worked as a writer and editor at Forbes magazine, where in 2008 and 2009 she also wrote a weekly column. She has freelanced widely, including for Slate, Foreign Policy, Harper's, the New York Times, and the Washington Post. In 2006 she was a Robert L. Bartley fellow at the Wall Street Journal. From 1999 to 2000, she worked as a journalist for Reuters in London. Eaves received a B.A. (honors) from the...

Senior Advisor

Kennette Benedict

Senior Advisor
Benedict is a senior adviser to the Bulletin of the Atomic Scientists and served as Executive Director and Publisher from 2005 until she retired in February 2015.  She is a Lecturer at the Harris School of Public Policy at the University of Chicago.Previously, Benedict was the Director of International Peace and Security at the John D. and Catherine T. MacArthur Foundation, overseeing grant-making on a broad international security agenda, as well as supporting efforts to reduce the threat from weapons of mass destruction and an initiative on science, technology, and security.Benedict has...


Janice Sinclaire

Communications Director
(707) 481-9372
Sinclaire is based in California and has a degree in film and television from Cal State Northridge. She worked in both commercial and industrial television before moving into the political arena, where she managed media campaigns for organizations such as Planned Parenthood. Sinclaire has been with the Bulletin since 2011 and has coordinated the organization's media presence since that time, increasing public awareness of the Bulletin’s editorial content and historical mission through the use of digital media and public outreach. 

Gayle Spinazze

Communications Coordinator
Spinazze joined the Bulletin as Communications Coordinator in May 2018. She was born and raised in Cleveland, OH where she earned her BS in Marketing at Case Western Reserve University. She has been a part of nonprofit administration for the last eight years and is thrilled to be immersing herself in the Bulletin's work. In her spare time you can find her taking photos, attending choir concerts, and working towards a zero waste lifestyle.


Lisa McCabe

Finance Director
McCabe was named director of finance in September 2009. With 18 years of experience in not-for-profit financial management, McCabe manages all aspects of the Bulletin's finances including budgeting, financial analysis, and board reporting along with a plethora of other responsibilities including all human resource functions, annual Doomsday Clock Symposium organization, and subscriber liaison with SAGE Publications. Lisa joined the Bulletin from Girl Scouts, where she significantly improved their financial reporting and upgraded their financial systems. She was instrumental in an...

Development and Outreach

Colleen McElligott

Development Director
McElligott joined the Bulletin as Development Director in February of 2017. She has stewarded complex advancement divisions at educational institutions and at social service and arts organizations in the Chicago area. Her nonprofit fundraising and management experience includes service as the Vice President of Development at the Chicago Architecture Foundation, Senior Director of Development & Gift Planning at Dominican University, Chief Advancement Officer at SOS Children’s Villages – Illinois, Director of Advancement at the Union League Boys and Girls Clubs and as a principal at the CAM...

Lydia Veliko

Grants Manager
Veliko joined the Bulletin in July 2011. She also serves as program coordinator for the Energy Policy Institute at Chicago, a research institute at the University of Chicago affiliated with the Bulletin. She lives with her husband in Chicago.

Delilah Marto

Development Coordinator
Marto joined the Bulletin as Development Coordinator in May of 2018. After working with the Bulletin previously as Finance and Development Intern, she is excited to be back in a more permanent role. Marto holds a BA in Russian and East European Studies from the University of Chicago. When not studying foreign languages, she enjoys practicing archery and creating miniature models with LEGO.


Aaron Dripps

Administrative Assistant to the President and CEO
Dripps has lived and studied in Denmark, Germany, and Ohio, where he earned his BA in Psychology and Classical Languages & Cultures from Kenyon College. He first discovered the Doomsday Clock as a child watching the History Channel and has followed the Bulletin ever since. Dripps has spent three winters in Chicago where he enjoys baking pies, reading ancient history, watching dystopian films, and playing racquetball.

Michael Harrison

Arts Initiative Coordinator
Harrison joined the Bulletin in April 2018. Upon moving to Chicago in 2013, he fell in love with the work being done by the city’s vibrant contemporary art and music communities and has been dedicating his time to supporting artistic practices ever since. The odd one out in a family of scientists, he is excited to help build upon the Bulletin’s interdisciplinary approach and introduce new perspectives to its ongoing conversation around some of the most urgent problems the world faces today. He also works on exhibitions and events programming at the Renaissance Society and holds a B.A. with...