Bill Cassidy

Republican / Senate / Louisiana

- Net Worth Est.

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- Last Traded

Current Member Yes
Years Active 2009 - Present
Age 68
Cassidy was born on September 28, 1957, in Highland Park, Illinois. He earned his B.S. and M.D. from Louisiana State University in 1979 and 1983, respectively. He previously worked as a physician. Cassidy served in the Louisiana Senate from 2006 to 2008 and as a congressman for Louisiana's 6th Congressional District from 2009 to 2015.

* Biography data provided through our partnership with Ballotpedia.

Supporters
Opponents
Corporate Donors
Proposed Legislation
Trades
Live Stock Portfolio
Net Worth
Revolving Door

Trade Volume by Year

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Top Traded Sectors

Trades

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Estimated excess return of the underlying stock since the transaction

Stock	Transaction	Filed	Traded	Description	Excess Return

Estimated Live Stock Portfolio

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Net Worth

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Top Holdings

Disclosed Holdings

Ticker	Asset Type	Asset Name	Amount	Owner	Report Year	Filed

*These holdings are collected from annual financial disclosure statements. There are occasionally parsing errors, and it does not include recent transactions.

Revolving Door

Former staff of Bill Cassidy who went on to register as lobbyists, and the clients they were disclosed as representing at the time of filing. Parsed from the covered-position disclosures on Lobbying Disclosure Act filings — see the full Revolving Door dashboard.

23 Former staff who have lobbied

69 Public companies represented

296 Clients in total

Aug 19, 2026 Most recent filing

Lobbyist	Role in this office	Disclosed clients	Lobbying firm	Latest filing
Robb Walton New	Senior Health Policy Advisor and Counsel Sen Cassidy; Advisor Rep. Cassidy; Research Asst., Staff Asst., Intern on Senate HELP, Ranking Member, Sen. Enzi; Intern to Rep. Nunes	AKBA ALKS ALNY AMGN +93 more	BGR GOVERNMENT AFFAIRS	Aug 19, 2026
Robert Butora New	Health Policy Advisor, Senator Bill Cassidy; Senior Health Policy Advisor, Representative Leonard Lance, Health Legislative Assistant, Representative Michael Burgess	ABBV ACH BMY CNC +19 more	WILLIAMS AND JENSEN, PLLC	Jul 20, 2026
Amanda Lincoln New	Staff Dir Sen. Bill Cassidy; Policy Advisor Sen. Susan Collins; Health Policy Advisor Sen. Bill Cassidy; Leg Dir, Sen. Mike Enzi; Staff Member for Sen. Mike Enzi, Rep. Mark Walker, Sen. Susan Collins; Leg Asst Rep. Meehan; Fellow Rep. Michael Burgess	BLUE CROSS AND BLUE SHIELD ASSO…	BLUE CROSS AND BLUE SHIELD ASSOCIATION	Jul 20, 2026
Sarah Alexander New	Energy and Coastal Policy Advisor, Sen. Bill Cassidy; Professional Staff Member, House Energy and Commerce Committee	CENX CMC DUK EVGO +11 more	MINDSET ADVOCACY, LLC	Jul 20, 2026
Christopher Gillott New	Sen. Bill Cassidy: Deputy Chief of Staff, Policy (2018-2021); Legislative Dir (2013-2021); Sr Legislative Asst (2013); Rep. Bobby Jindal: Leg. Dir (2007-2008); Sr Legislative Asst (2005-2007); Sen. Kay Bailey Hutchison: Leg Aide (2003-2005)	ACHR CART GH HCAT +44 more	INVARIANT LLC	Jul 02, 2026
Todd Tuten New	Chief Counsel for the U.S. Senate Committee on Health, Education, Labor, and Pensions (HELP), Chaired by Sen. Bill Cassidy, R-La. ETHICS RESTRICTION: NO SENATE LOBBYING.	MEHARRY MEDICAL COLLEGE	KING & SPALDING LLP	Jul 02, 2026
Jeff Lucas New	Health Policy Advisor, Senator Bill Cassidy; Legislative Assistant/Sr. Legislative Assistant/Legislative Correspondent, Representative Larry Bucshon	ALKS ALNY AMGN APO +73 more	TODD STRATEGY GROUP	Oct 21, 2025
Gary Haglund New	U.S. House Bud. Comm.: Staff Asst., Policy Adv. (2017- 2021); Sen. Bill Cassidy, M.D.: Policy Adv. (2023-2025)	ALLIANCE FOR AUTOMOTIVE INNOVAT…	ALLIANCE FOR AUTOMOTIVE INNOVATION	Oct 20, 2025
David Timmons New	Office of Sen. Bill Cassidy	NATIONAL TAXPAYERS UNION	NATIONAL TAXPAYERS UNION	Jul 21, 2025
Pamela Davidson New	Prof. Staff, Senate HELP Committee, 2019-21; Senior Policy Advisor, Sen Bill Cassidy, 2015-19; Prof. Staff/Leg. Asst, House Ed & Workforce Comm., 1997-2007; Leg. Asst, Rep Jon Christensen, 1995-97; Leg. Asst, Rep Tom Delay, 1992-95	ASSOCIATION OF AMERICAN UNIVERS…	ASSOCIATION OF AMERICAN UNIVERSITIES	Apr 24, 2025
Darien Flowers New	Deputy Policy Director, Senate Commerce Committee; PSM, Senate Commerce Committee; Senior Advisor, USDOT; Special Assistant, USDOT; Legislative Aide, Office of Sen. Bill Cassidy; Research Assistant, Senate HSGAC	MEDITERRANEAN SHIPPING COMPANY …	MEDITERRANEAN SHIPPING COMPANY (USA) INC.	Jan 28, 2025
Brian Looser New	Pol. Ad. (Sen. Bill Cassidy, LA) LD (Rep. John Shimkus, IL-15) Sr Policy Advisor (Sen. Mark Kirk, IL) LA (Rep. Judy Biggert, IL-13) Leg. Corr./LA (Rep. Michele Bachmann, MN-06) Staff Asst./Leg. Corr.(Rep. Dennis Hastert, IL-14)	EW	EDWARDS LIFESCIENCES, LLC	Aug 26, 2024
Kali Lindsey	Senator Cassidy	AMERICAN LIVER FOUNDATION	PYXIS PARTNERS, LLC	Jul 23, 2024
William Simons New	Senior Policy Advisor - Sen. Bill Cassidy; Policy Advisor - Sen. Bill Cassidy	GEV	GE VERNOVA INTERNATIONAL LLC	Jul 11, 2024
Darien Flowers	Deputy Policy Director, Senate Commerce Committee, PSM, Senate Commerce Committee, Senior Advisor, USDOT, Special Assistant, USDOT, Leg Aide, Office of Sen. Bill Cassidy, Research Assistant, Senate HSGAC	SECURE IDENTITY, LLC	BLUFF POINT STRATEGIES LLC	Feb 14, 2024
Darien Flowers New	Deputy Policy Director, Committee on Commerce, Science, and Transportation (Senate); Senior Advisor, Under Secretary of Transportation for Policy; Legislative Aide (Sen. Cassidy, M.D.); Research Assistant, Committee on Homeland Security (Senate)	FLEXPORT, INC.	FLEXPORT, INC.	Jan 18, 2024
Owen Morgan New	Legislative Assistant to Sen. Bill Cassidy (R-LA) May 2020 - May 2022	GM	INTERNATIONAL MOTORS, LLC (FORMERLY NAVISTAR, INC.)	Oct 20, 2023
Kelly Ferguson New	Medicare Health Fellow - House Republican Policy Committee, Rep. Bill Cassidy (R-LA)	CHARTED COURSE EMPLOYEE-OWNED S CORPORATIONS O… PHARMACEUTICAL PRINTED LITERATU…	VENN STRATEGIES	Oct 20, 2022
Maria Sierra New	Policy Advisor, Sen. Bill Cassidy	NATIONAL ASSOCIATION OF MANUFAC…	NATIONAL ASSOCIATION OF MANUFACTURERS	Oct 19, 2021
Robert Butora New	Health Policy Advisor, Senator Bill Cassidy; Health Legislative Assistant, Rep. Mike Burgess; Senior Health Policy Advisor, Rep. Leonard Lance	CVS	CVS HEALTH (AND SUBSIDIARIES)	Apr 20, 2021
Courtney Lawrence New	Legislative Director, U.S. Representative Bill Cassidy; Legislative Correspondent and Staff Assistant, U.S. Representative Tom Price	CI	THE CIGNA GROUP AND SUBSIDIARIES (FORMERLY CIGNA CORPORATION AND SUBSIDIARIES)	Apr 22, 2019
Derek Theurer New	Senior Tax Counsel, Sen. Bill Cassidy	BUSINESS ROUNDTABLE INC	THE BUSINESS ROUNDTABLE, INC.	Jan 22, 2019
Darien Flowers New	Legislative Aide, Senator Bill Cassidy; Research Assistant, Senate Homeland Security & Governmental Affairs Subcomm on the Efficiency and Effectiveness of Federal Programs and the Federal Workforce	APO EIX FDX MCD +13 more	BROWNSTEIN HYATT FARBER SCHRECK, LLP	Nov 03, 2017

Spending in Support of Bill Cassidy

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Outside Spending

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Top Receipts

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* Note: This data may contain refunds given to the committee. Names are hidden for individual donations below $250,000.

Outside Spending

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Other Candidates in District

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Corporate PAC Donors

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Proposed Legislation

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Title	Introduced	Latest Action Date