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DEMOCRATIC

U.S. Representative · California 21st District

Jim
Costa

Member of CongressCurrent Term: 2025–2027Congress.gov ↗︎Official site ↗︎

Terms served

House

Years in Congress

21.5y

Since 2005

Bills sponsored

186

All time

Bills cosponsored

3905

All time

Current staff

Personal office

Career staff alumni

118

Distinct people

% with party

…

Voting record pending

Chapter I

Legislative Activity

Sponsored: 186 bills all time · Cosponsored: 3905 bills all time. Showing sponsored bills in the 119th Congress.

Loading sponsored bills...

Chapter II

Committees

5 assignments across 1 congress

119th Congress

House

House Committee on Agriculture

Member

Forestry and Horticulture

Member

Livestock, Dairy, and Poultry

Ranking member

House Committee on Foreign Affairs

Member

Europe

Member

Chapter III

Office & Staff

Current personal office roster · 16 staffers · 4 interns

Staff · 16· A–Z by last name

Name	Role	Dates
Christy M. Bourbon	DIRECTOR OF OPERATIONS	Mar 1, 2025 to Present
Jesus Contreras	CONSTITUENT SERVICE REPRESENTATIVE	Jan 1, 2026 to Present
Sandra I Garcia	CONSTITUENT SERVICE REPRESENTATIVE	Jan 1, 2026 to Present
Kelly S. Gill	DIRECTOR OF CONSTITUENT SERVICES	Jan 1, 2016 to Present
Desiree N. Grimaldo	PART-TIME EMPLOYEE	Dec 1, 2025 to Present
Ellen M. Hamilton	SHARED EMPLOYEE	Mar 1, 2026 to Present
Juan E. Lopez	CHIEF OF STAFF	Jan 1, 2016 to Present
John E. Lynch Jr.	DEPUTY CHIEF OF STAFF & LEGISL	Feb 1, 2026 to Present
Michael G. Menolascino	DC SCHEDULER/OPERATIONS ASSIST	Mar 10, 2025 to Present
Isabelle M. Moser	DEPUTY PRESS SECRETARY	Jan 1, 2026 to Present
Lisa Ortiz	PRESS SECRETARY	Nov 1, 2025 to Present
Wade A. Roberge	LEGISLATIVE ASSISTANT	Jun 18, 2025 to Present
Lawrence Salinas	DEPUTY CHIEF OF STAFF & DISTRI	Feb 1, 2026 to Present
Aren V. Sanikian	LEGISLATIVE CORRESPONDENT	Mar 1, 2026 to Present
Daniel L. Sepulveda	CONSTITUENT SERVICE REPRESENTATIVE	Jan 1, 2026 to Present
John R. West	LEGISLATIVE ASSISTANT	May 1, 2024 to Present

Interns · 4· A–Z by last name

Name	Role	Dates
Juliana T. BoltonIntern	PAID INTERN - HOUSE PROGRAM	Jan 7, 2026 to Present
Daniella Giselle GolikIntern	DISTRICT OFFICE PAID INTERN	Jan 23, 2026 to Present
Geoffrey HyderIntern	PAID INTERN - HOUSE PROGRAM	Mar 9, 2026 to Present
Juan MolineroIntern	DISTRICT OFFICE PAID INTERN	Jan 12, 2026 to Present

Chapter IV

Staff Alumni

Former personal office staff · 75 staffers · 43 interns

Alumni staff · 75· A–Z by last name

Name	Role	Dates
Garcia Alma N. Acosta	SHARED EMPLOYEE	Nov 1, 2017 to Oct 31, 2018
Tara D. Adams	DISTRICT REPRESENTATIVE	Jan 3, 2022 to Jun 20, 2023
Sandra Alcala	SHARED EMPLOYEE	Oct 1, 2017 to Sep 30, 2018
Denise N. Altounian	DISTRICT REPRESENTATIVE	Aug 1, 2018 to Oct 20, 2021
Abid A. Awan	SHARED EMPLOYEE	Jan 1, 2016 to Jan 2, 2017
Imran Awan	SHARED EMPLOYEE	Jan 1, 2016 to Jan 2, 2017
Olivia M. Baldwin	TEMPORARY EMPLOYEE	Apr 10, 2023 to Jul 14, 2023
Ibarra Alize Basulto	DISTRICT STAFF ASSISTANT	Jan 30, 2023 to May 22, 2025
Jacob T. Bentham	STAFF ASSISTANT	Jan 30, 2023 to Jan 19, 2024
Anthony Camacho	COMMUNICATIONS DIRECTOR	Jan 1, 2024 to Sep 30, 2025
Aidan V Camas	LEGISLATIVE ASSISTANT	Sep 1, 2021 to Nov 30, 2021
Valeria Carranza	SHARED EMPLOYEE	Mar 1, 2016 to Mar 31, 2016
Gurjinder S. Chahil	DISTRICT DIRECTOR	Feb 1, 2016 to Oct 31, 2017
Daniel R. Cisneros	DISTRICT REPRESENTATIVE	Jan 1, 2016 to Aug 11, 2016
Andrew T. Connery	SHARED EMPLOYEE	Jan 1, 2016 to Jan 30, 2016
Grethel M. Croasdale	DISTRICT REPRESENTATIVE	Jun 1, 2016 to Jan 30, 2017
Diego R. Cruz	DISTRICT REPRESENTATIVE	Aug 1, 2023 to Jul 22, 2025
Kathryn H. Devine	LEGISLATIVE ASSISTANT	Jan 3, 2023 to May 23, 2025
Logan A. Duarte	PART-TIME EMPLOYEE	Mar 1, 2023 to Feb 23, 2024
Dominic A. Farinha	SENIOR DISTRICT REPRESENTATIVE	Aug 1, 2017 to Jun 6, 2018
Jared A. Feldman	LEGISLATIVE DIRECTOR & LEGISLA	Apr 1, 2019 to Jun 16, 2019
Casas Jose R. Flores	COMMUNICATIONS ASSISTANT	Jul 19, 2022 to Aug 5, 2022
Ian M. Fluellen	LEGISLATIVE ASSISTANT	Apr 1, 2019 to Jul 31, 2021
Alexa R. Fox	SENIOR LEGISLATIVE ASSISTANT	Jun 1, 2021 to Mar 5, 2026
Shanna E. Fricklas	SHARED EMPLOYEE	Jul 1, 2020 to Jul 31, 2020
Megan L. Funkhouser	LEGISLATIVE ASSISTANT	Jan 1, 2016 to Jul 22, 2016
Jesus G. "Chuy" Garcia	COMMUNICATIONS ASSISTANT	Aug 22, 2022 to Oct 31, 2023
Benjamin J. Goldeen	LEGISLATIVE DIRECTOR	Jul 1, 2019 to Jul 29, 2021
Steven E. Gomes	PART-TIME EMPLOYEE	Jun 8, 2018 to Nov 7, 2018
Steven N. Gomes	DISTRICT REPRESENTATIVE	Jul 23, 2018 to Jan 30, 2023
Donald F. Grady	LEGISLATIVE ASSISTANT	Jan 1, 2016 to Feb 28, 2017
Jailene Gutierrez	DISTRICT REPRESENTATIVE	Jul 23, 2018 to Jul 31, 2020
Bradley W. Hart	LEGISLATIVE ASSISTANT	Jul 1, 2019 to Mar 31, 2021
Gabriel S. Hulbert	DISTRICT REPRESENTATIVE	Apr 1, 2019 to Feb 4, 2022
Maisha K. Imam	STAFF ASSISTANT & OFFICE MANAG	Aug 1, 2019 to Feb 28, 2020
Tadeh Issakhahnian	SCHEDULER	Jul 1, 2017 to Dec 15, 2017
Abby L. Jablonski	TEMPORARY EMPLOYEE	May 22, 2025 to Jun 13, 2025
Tammy L. Jones-Johnson	PRESS SECRETARY	Apr 1, 2019 to Oct 13, 2021
Nancy M. Juarez	SHARED EMPLOYEE	Jun 1, 2022 to Apr 30, 2025
Elina Karapetyan	SCHEDULER	May 14, 2018 to Oct 15, 2019
Boaz A. Khajavi-Shojaei	CASEWORKER	Apr 17, 2023 to Dec 17, 2025
David A. Klein	PART-TIME EMPLOYEE	Jun 1, 2024 to Jun 21, 2024
Claudia D. Larson	COMMUNICATIONS DIRECTOR	Jul 1, 2017 to Dec 31, 2018
Andrew R. Lavigne	SHARED EMPLOYEE	Aug 1, 2023 to Jan 30, 2024
Brooke M. Lillard	SHARED EMPLOYEE	Dec 1, 2017 to Aug 31, 2018
Jared Lipman	LEGISLATIVE CORRESPONDENT	Jan 1, 2016 to Jan 19, 2018
Katherine M. Mahan	DEPUTY CHIEF OF STAFF/DISTRICT	Apr 1, 2019 to Jan 17, 2025
Daniel A. Martinez-Peralta	DISTRICT REPRESENTATIVE	Jan 1, 2016 to Apr 30, 2016
Joshua J. Mason	PART-TIME EMPLOYEE	Jul 1, 2018 to Jul 31, 2018
Eric A. Medina	TEMPORARY EMPLOYEE	Dec 10, 2025 to Dec 29, 2025
Jasmine Mora	SHARED EMPLOYEE	Mar 1, 2016 to Mar 31, 2016
Henry L. Munoz	DIRECTOR OF OUTREACH	May 17, 2021 to Sep 30, 2021
Ellen C. O'Rourke	LEGISLATIVE CORR/LEGISLATIVE AIDE	Mar 1, 2025 to Feb 20, 2026
Carlos Paz Jr.	SHARED EMPLOYEE	Oct 1, 2017 to Oct 31, 2017
Jeremy S. Petersen	DEPUTY CHIEF OF STAFF/LEGISLATIVE DIRECTOR	Jan 1, 2016 to Dec 31, 2018
Jose A. Quezada	STAFF ASSISTANT	Jan 22, 2018 to Apr 30, 2019
Martin Radosevich	SHARED EMPLOYEE	Feb 1, 2016 to Feb 28, 2018
Fabiola Rodriguez	STAFF ASSISTANT	Jan 1, 2016 to Sep 30, 2016
Megan Roehl	INTERIM DISTRICT DIRECTOR	Nov 1, 2015 to Nov 30, 2015
Alex M. Rosenberg	DC SCHEDULER	Dec 6, 2021 to May 8, 2022
Jessica G. Ruiz	SHARED EMPLOYEE	Feb 1, 2020 to Feb 29, 2020
Katrina A. Ruiz	DISTRICT REPRESENTATIVE	Feb 21, 2017 to Feb 28, 2018
Miguel R. Salazar	SHARED EMPLOYEE	Sep 1, 2018 to Sep 30, 2018
Claudia L. Santiago	LEGISLATIVE ASSISTANT	Jul 1, 2017 to Dec 31, 2017
Jacob E. Schueler	LEGISLATIVE ASSISTANT	Jun 1, 2021 to Jul 18, 2021
Ignacio Seni	STAFF ASSISTANT	May 9, 2022 to Jan 30, 2023
Kristina S. Solberg	COMMUNICATIONS DIRECTOR	Jan 1, 2017 to Mar 31, 2017
Adrian B. Thomas	PRESS SECRETARY	Nov 8, 2021 to May 6, 2022
Caleb G. Tyler	DC SCHEDULER	May 10, 2022 to Dec 12, 2022
Rachel K. Villegas	SENIOR CASEWORKER	Jan 3, 2022 to Apr 14, 2023
Andrew C. Wachter	SCHEDULER	Jan 25, 2018 to Apr 13, 2018
Matthew W. Wainwright	DISTRICT REPRESENTATIVE	Jan 1, 2016 to May 31, 2017
Matthew S. Weiner	SHARED EMPLOYEE	Jun 1, 2019 to Jan 30, 2022
Natasha H. Wood	LEGISLATIVE ASSISTANT	Aug 1, 2021 to Dec 16, 2022
Andrew T. Wright	SHARED EMPLOYEE	Sep 1, 2018 to Sep 30, 2018

Alumni interns · 43· A–Z by last name

Name	Role	Dates
Lauren T. Aiello	PAID INTERN - HOUSE PROGRAM	Jun 16, 2025 to Jul 3, 2025
Loay Albalbisi	PAID INTERN - HOUSE PROGRAM	Feb 1, 2022 to Mar 15, 2022
Chandler N. Baladjanian	DISTRICT OFFICE PAID INTERN	Jul 12, 2021 to Oct 28, 2021
Lena K. Bennett	PAID INTERN - HOUSE PROGRAM	Jun 1, 2025 to Aug 22, 2025
Peter R. Bird	PAID INTERN - HOUSE PROGRAM	Mar 23, 2023 to May 25, 2023
Elizabeth A. Brown	PAID INTERN	Jun 8, 2016 to Jul 15, 2016
Kendall L. Carr	PAID INTERN - HOUSE PROGRAM	Jun 3, 2024 to Jul 31, 2024
Gurmannat Chalotra	PAID INTERN - HOUSE PROGRAM	Jun 1, 2023 to Aug 31, 2023
Rhiannon F. Christensen	DISTRICT OFFICE PAID INTERN	Jun 1, 2024 to Sep 30, 2024
Claire D. Copher	PAID INTERN - HOUSE PROGRAM	Jun 1, 2019 to Jul 31, 2019
Samantha J. Cynn	PAID INTERN - HOUSE PROGRAM	Dec 16, 2024 to Dec 20, 2024
Abraham A. Darwish	DISTRICT OFFICE PAID INTERN	Jul 1, 2022 to Oct 2, 2022
Meghna T. Das	PAID INTERN - HOUSE PROGRAM	Jun 3, 2024 to Jul 3, 2024
Maia C. Demoss	PAID INTERN - HOUSE PROGRAM	Feb 10, 2020 to Mar 13, 2020
Akash P. Dhindsa	DISTRICT OFFICE PAID INTERN	Dec 13, 2023 to Feb 29, 2024
Corbin S. Farias	PAID INTERN - HOUSE PROGRAM	May 30, 2022 to Jul 31, 2022
Aidan J. Garaygordobil	PAID INTERN - HOUSE PROGRAM	Aug 26, 2024 to Dec 12, 2024
Jahari Garcia	DISTRICT OFFICE PAID INTERN	Mar 10, 2025 to Jun 21, 2025
Yamilhet Gonzalez	DISTRICT OFFICE PAID INTERN	Jul 17, 2025 to Jul 31, 2025
Naseem A. Hamud	PAID INTERN	Jun 4, 2018 to Jul 4, 2018
Rumalda M. Hernandez	PAID INTERN - HOUSE PROGRAM	Jan 12, 2023 to Apr 19, 2023
Daniel M. Herrera	PAID INTERN - HOUSE PROGRAM	Feb 1, 2022 to Mar 15, 2022
Skye Jacobson	PAID INTERN - HOUSE PROGRAM	May 14, 2025 to Jul 31, 2025
Elizabeth S. Jenkins	PAID INTERN - HOUSE PROGRAM	Jun 21, 2021 to Aug 16, 2021
Ian R. Kalvinskas	PAID INTERN - HOUSE PROGRAM	Jun 16, 2025 to Jun 27, 2025
Syuzanna Kovalenko	DISTRICT OFFICE PAID INTERN	Aug 23, 2024 to Dec 16, 2024
Lucca Lorenzi	PAID INTERN - HOUSE PROGRAM	May 30, 2022 to Jul 31, 2022
Noah A. Menz	DISTRICT OFFICE PAID INTERN	Jul 1, 2022 to Jul 31, 2022
Gregory K. Mikhanjian	PAID INTERN - HOUSE PROGRAM	Nov 1, 2021 to Nov 30, 2021
Nicole E. Mitton	PAID INTERN - HOUSE PROGRAM	Aug 8, 2022 to Sep 30, 2022
Caroline Montgomery	DISTRICT OFFICE PAID INTERN	Feb 22, 2022 to Jun 21, 2022
Zachary J. Petrek	DISTRICT OFFICE PAID INTERN	Feb 23, 2022 to Jun 22, 2022
Javier F. Ramirez	PAID INTERN - HOUSE PROGRAM	Feb 10, 2020 to Mar 13, 2020
Amitoj Randhawa	DISTRICT OFFICE PAID INTERN	Oct 11, 2021 to Dec 17, 2021
Alexis Rico	DISTRICT OFFICE PAID INTERN	Jun 18, 2025 to Aug 15, 2025
Peter S. Sahagian	PAID INTERN - HOUSE PROGRAM	Apr 30, 2019 to Aug 31, 2019
Noblejot S. Sandhu	PAID INTERN - HOUSE PROGRAM	Mar 28, 2023 to Jun 9, 2023
Jaskaran Singh	PAID INTERN - HOUSE PROGRAM	Aug 5, 2024 to Sep 13, 2024
Rajpreet Singh	DISTRICT OFFICE PAID INTERN	Apr 9, 2024 to May 31, 2024
Stephen J. Sobonya III	PAID INTERN - HOUSE PROGRAM	Jun 17, 2021 to Aug 16, 2021
Michael A. Tiernan	PAID INTERN - HOUSE PROGRAM	Apr 26, 2019 to May 31, 2019
Tyler N. Vincelli	PAID INTERN - HOUSE PROGRAM	Sep 24, 2021 to Dec 10, 2021
Hessel L. Zwaagstra	PAID INTERN - HOUSE PROGRAM	Nov 6, 2019 to Mar 5, 2020

Chapter V

Travel & Disclosures

12 trips · $0 combined disclosed value.

Portugal

House gift travel filing

Luso-American Development Foundation

Jun 28, 2025 to Jul 2, 2025

Pending

Italy

House gift travel filing

Aspen Institute, Inc. and the Rockefeller Foundation

Apr 21, 2025 to Apr 27, 2025

Pending

Ukraine

House gift travel filing

Yalta European Strategy Limited and UK Office of the Victor Pinchuk Foundation

Sep 12, 2024 to Sep 16, 2024

Pending

United Kingdom

House gift travel filing

Aspen Institute, Inc., and Carnegie Corporation of New York

Aug 10, 2024 to Aug 16, 2024

Pending

Ireland

House gift travel filing

Aspen Institute, Inc., and Carnegie Corporation of New York

Aug 10, 2024 to Aug 16, 2024

Pending

Portugal

House gift travel filing

Luso-American Development Foundation

Jun 15, 2024 to Jun 19, 2024

Pending

Israel

House gift travel filing

American Israel Education Foundation

Mar 23, 2024 to Mar 29, 2024

Pending

Ukraine

House gift travel filing

Yalta European Strategy Limited

Feb 22, 2024 to Feb 25, 2024

Pending

Ukraine

House gift travel filing

Yalta European Strategy Limited

Sep 6, 2023 to Sep 10, 2023

Pending

Kyiv Ukraine

House gift travel filing

Yalta European Strategy Limited

Sep 7, 2022 to Sep 12, 2022

Pending

Brussels, Belgium

House gift travel filing

German Marshall Fund of the United States

Jun 26, 2022 to Jul 1, 2022

Pending

Libson, Portugal

House gift travel filing

Luso-American Development Foundation

May 1, 2022 to May 4, 2022

Pending

Chapter VI

Tenure

Member terms in Congress.

Jan 3, 2025 to Jan 3, 2027

House · California 21st District

Democratic

2025

Jan 3, 2023 to Jan 3, 2025

House · California 21st District

Democratic

2023

Jan 3, 2021 to Jan 3, 2023