HomeAbout the BoardStaff

Staff of the Board

Current Staff Members

Senior Staff

Claire Green, Director (10/12 – Present)

Claire Green joined the Board staff in October 2012 as the Deputy Staff Director and was named the Staff Director in September 2013.  Before that Ms. Green spent two and a half years on Capitol Hill as a Congressional Fellow through Georgetown University’s Government Affairs Institute.  Ms. Green worked for the Senate Finance Committee Majority on the Social Security/Budget Team on issues involving oversight of SSA, trust fund solvency, budget, debt limit and deficit reduction issues and a comparison of public and private sector group disability policies (covered under the Employee Retirement Income Security Act).  Ms. Green worked in the disability component for SSA for 18 years earning over a dozen performance and team awards.  She started as a decision writer and worked in progressively more responsible positions, most recently as Attorney Advisor to the Chief Judge where she worked on complex policy issues, the electronic business process, bias and misconduct complaints against Administrative Law Judges, and employee and labor relation issues.  Ms. Green has a Juris Doctorate from Western State University College of Law; she completed the coursework for a Masters of Fine Arts in Professional Writing and Publishing from Emerson College; and graduated with honors from Assumption College with a double major in English and Sociology.

David Warner, Management Chief (12/98 – Present)

David Warner joined the Board staff in 1998 as a Policy Analyst, and currently serves as the Management Chief/Executive Officer.  Mr. Warner began his career with the Federal Government in 1988 as a budget and program analyst for the Office of the Secretary of the Department of Health and Human Services in Washington, D.C.  He worked principally on the administrative budget for the Medicare program and the program and administrative budgets for the Medicaid program and SSA.  Mr. Warner transferred to SSA in 1995.  Until 1998, he served as a senior social insurance specialist for the Office of the Deputy Commissioner for Legislation and Congressional Affairs.  In 1998, Mr. Warner completed a developmental assignment as professional staff to the Social Security Subcommittee of the House Committee on Ways and Means.  He holds a Bachelor's Degree in psychology from the University of Wisconsin and a Master's Degree in public sector and non-profit financial management from the University of Maryland.

Joel A. Feinleib, Staff Economist (06/05 – Present)

Joel Feinleib joined the Board staff in 2005 as the Staff Economist focusing on trust fund financing, OASDI reform proposals, empirical research and managing the quadrennial Technical Panel on Assumptions and Methods. He previously worked as a research consultant and policy analyst in Washington D.C. and Chicago specializing in the economic, demographic and statistical analysis of social policy issues. Mr. Feinleib holds a B.S. in Economics from the University of Pennsylvania and a Masters in Public Policy Studies from the University of Chicago.


Jacqueline Chapin, Ph.D., Policy Chief (09/11 – Present)

Jackie Chapin joined the Board staff in September 2011 as a Policy Analyst, and currently serves as the Policy Chief.  She began her career with the Federal Government in 2004 as a Presidential Management Fellow with SSA's Office of Disability Policy in Baltimore, Maryland.  She transferred to field office operations in the San Francisco region in 2005 and worked in field office management, specializing in Supplemental Security Income.  During her time in the field, Dr. Chapin spent a year detailed to Baltimore working on disability policy.  Prior to working for the Federal Government, she taught Sociology at colleges and universities in both Portland, Oregon and Riverside, California.  Dr. Chapin worked as a registered nurse prior to studying sociology.  She earned her Bachelor's Degree in Sociology at Cal State Los Angeles, and both her Master's and Doctoral Degrees in Sociology at the University of California at Riverside.  While working for SSA, Dr. Chapin earned several agency awards including an Associate Commissioner's Citation and a Commissioner's Team Award for her work in disability policy.

Anita Grant, Communications Director (09/15 – Present)

Anita Grant joined the Board staff in 2016 and serves as Communications Director. Anita began her career with SSA in 1992, when she was hired as Teleservice Representative. Anita spent 23 years in SSA Operations, working in the Dallas Region, the Seattle Region, and SSA Headquarters in Baltimore. She rose through the ranks as a Service Representative; Claims Representative (specializing in Title II); Budget Analyst; Security Analyst; Management Analyst; Team Leader; Deputy Division Director; Executive Officer; and Division Director. She also worked with the White House Initiative on Asian Americans and Pacific Islanders at the Department of Education. She was selected as the Lead Project Manager for the Ready Retirement Team, where she oversaw and coordinated the rollout of SSA’s online benefits application, iClaim, in 2009, and all subsequent releases of iClaim, which included the Medicare Only application in 2010.  She was instrumental in creating policy changes that simplified the process for filing for benefits that resulted in significant savings to both the agency and the public. Anita was selected for the Seattle Regional Leadership and Management Development Program 2006 and was a graduate of SSA’s National Advanced Leadership Program (ALP) in 2008.  In 2012, Anita was selected for the Asian American Government Executive Network’s inaugural Senior Executive Service Career Develop Program. Anita has received numerous Deputy Commissioner and Associate Commissioner Citation awards and was honored with a Commissioner’s Team Award Citation.  She was also the recipient of the Nextgov Award in 2010 for her work on the Ready Retirement Initiative. Anita has a B.A. in Psychology from the University of Texas at Arlington and a M.S. in Management from Liberty University in Lynchburg, VA.  

Jenn Rigger,  Senior Advisor (09/15 – Present)

In a 25-year career in Washington, DC, Jenn Rigger has built an expertise in the area of employment for people with disabilities, particularly social security beneficiaries’ return-to-work efforts. She came to the board as a Social Security Administration (SSA) detailee in March, 2015, but her career began on Capitol Hill and in presidential primary campaigns. She spent eight years at the U.S. Department of Education’s Rehabilitation Services Administration, managing a broad portfolio of policy issues. Her 9-year tenure at SSA began as staff to the Ticket to Work and Work Incentives Advisory Panel in 2006 and transitioned to SSA’s employment support component after that. At the board, Ms. Rigger focuses on disability policy and administrative issues. 

Professional Staff


Bethel Dejene, Research Analyst (06/14 – Present)

Bethel Dejene joined the Board as an intern in June 2014. Ms. Dejene now serves as a Research Analyst. Prior to joining the SSAB, Ms. Dejene interned at Ethiopian Community Development Council in Arlington, Virginia. She was also a participant in Capital Area REACH, job-readiness and community service program. Ms. Dejene has also volunteered at public service organizations such as Arlington Food Assistance Center and D.C. Central Kitchen. She is currently a student at George Mason University with a major in Biology.



Caitlyn Tateishi, Management Analyst (04/15 – Present)

Caitlyn Tateishi joined the Board staff in April 2015 as a Director Assistant and currently serves as a Management Analyst. Prior to joining the Board, Ms. Tateishi was an English teacher in Fukuoka, Japan with the Japan Exchange and Teaching (JET) Program. She also completed a 27 month Peace Corps service in Zambia as a Rural Education Development volunteer. In Washington, D.C., Ms. Tateishi worked briefly at the Embassy of Japan processing application for the JET Program and as a Program Assistant for the Hispanic Association of Colleges and Universities National Internship Program. She earned a B.A. in History from Pacific University in Forest Grove, Oregon. 

Matthew Graves, Research Analyst (01/16 – Present)

Matthew Graves joined the Advisory Board as a Research Analyst in January 2016. Prior to joining the Board Staff he interned at the American Russian Cultural Cooperation Foundation working to improve U.S.-Russian relations. He earned a Bachelor’s Degree in history at the George Washington University.



Matt Comey, Fellow (08/16 – Present)

Matt Comey joined the Social Security Advisory Board in August 2016 as a staff policy analyst. He graduated from the University of Virginia in May 2016 with a Master of Public Policy and earned his undergraduate degree from U.Va. as well, graduating with highest distinction and double majoring in Government and Economics. At U.Va., he worked as a graduate teaching assistant for two public policy-focused statistics courses and worked as a research assistant in the Economics Department. Matt previously interned with the Center on Budget and Policy Priorities’ Housing Division and in two Capitol Hill Congressional offices. His research interests include income assistance policy, affordable housing, and zoning laws..