Lobbyist

LEFFINGWELL, MATTHEW

COVERED POSITION(S)
  • MBR SERVS & COALITIONS DIR., HOUSE APPROPS CMTE (2016-2017)
  • COS, REP. KAY GRANGER (2012-2015)
  • DEP COS, REP. GRANGER (2010-2012)
  • COMMS DIR, REP. GRANGER (2009-2010)
  • PRESS SEC, REP. JON PORTER (2007-2009)
  • PROJECTS DIR, REP. MARK KIRK (2006-2007).

FILINGS KEY

Client Is Connected to China as Indicated in Filing
Client Is Connected to China as per Heritage Foundation Analysis
No Known Client Connection to China
Lobbying Terminated
Based on data as of March 9, 2026
Associated Filings (40)

Client
WOOLPERT

Lobby Firm
TIBER CREEK GROUP

Filing Year
2018

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MICHIGAN POTASH COMPANY LLC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2018

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PAY OUR INTERNS INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2018

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MONKTON INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2018

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MONKTON INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2023

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
OMNISPACE LLC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2018

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
JAZZ PHARMACEUTICALS

Lobby Firm
TIBER CREEK GROUP

Filing Year
2019

Lobbying Terminated
False

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
GW PHARMACEUTICALS PLC
United Kingdom
100.0

Lobbyists

View Filing

Client
ATLAS CROSSING ON BEHALF OF VIRGIN HYPERLOOP ONE

Lobby Firm
TIBER CREEK GROUP

Filing Year
2019

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PATHFINDER INTERNATIONAL

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
EMD MILLIPORE

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
MERCK KGAA
Germany
100.0

Lobbyists

View Filing

Client
LABWARE INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BAY BRIDGE STRATEGIES ON BEHALF OF KINSA INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
GSR VENTURES V (SINGAPORE) PTE. LTD.
Singapore
16.0

Lobbyists

View Filing

Client
IRIS AUTOMATION INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
STRIDE

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
RETRACTABLE TECHNOLOGIES INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
SUNPOWER CORPORATION

Lobby Firm
TIBER CREEK GROUP

Filing Year
2020

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
TOTAL SE
France
52.0

Lobbyists

View Filing

Client
EFA EDUCATION LLC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
SAILDRONE INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
AIRBUS AMERICAS INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
AIRBUS GROUP SE
Netherlands
100.0
AIRBUS S.A.S.
France
100.0

Lobbyists

View Filing

Client
REKOR SYSTEMS INC

Lobby Firm
TIBER CREEK GROUP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PHLOW CORPORATION

Lobby Firm
TIBER CREEK GROUP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MISSISSIPPI COUNTY ARKANSAS

Lobby Firm
TIBER CREEK GROUP

Filing Year
2022

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BREAKTHROUGH ENERGY LLC REGISTERED IN ERROR

Lobby Firm
TIBER CREEK GROUP

Filing Year
2022

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BREAKTHROUGH ENERGY ACTION

Lobby Firm
TIBER CREEK GROUP

Filing Year
2022

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
UNIVERSITY OF ARIZONA FOUNDATION

Lobby Firm
TIBER CREEK GROUP

Filing Year
2022

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ALTANA TECHNOLOGIES

Lobby Firm
TIBER CREEK GROUP

Filing Year
2023

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MALARIA NO MORE

Lobby Firm
TIBER CREEK GROUP

Filing Year
2024

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ABBOTT LABORATORIES

Lobby Firm
TIBER CREEK GROUP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
CHESAPEAKE CLIMATE ACTION NETWORK

Lobby Firm
TIBER CREEK GROUP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
COALITION FOR INTERNATIONAL BROADCASTING

Lobby Firm
TIBER CREEK GROUP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing