Lobbyist

MASTEL, GREG

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 27, 2026
Associated Filings (14)

Client
GENERAL MOTORS COMPANY

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2010

Lobbying Terminated
2013

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
US JAPAN HIGH SPEED RAIL LLC

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2010

Lobbying Terminated
2011

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
CENTRAL JAPAN RAILWAY COMPANY
Japan
None

Lobbyists

View Filing

Client
POLICY STUDIES INC

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2010

Lobbying Terminated
2010

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
DIALIGHT CORPORATION

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2010

Lobbying Terminated
2012

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
DIALIGHT PLC
United Kingdom
100.0
ROXBORO HOLDINGS (DIRECT PARENT CORPORATION)
United States of America
100.0

Lobbyists

View Filing

Client
SNCF AMERICA INC

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2010

Lobbying Terminated
2012

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
SNCF
France
100.0

Lobbyists

View Filing

Client
TEN MEDIA LLC

Lobby Firm
DUTKO WORLDWIDE LLC

Filing Year
2011

Lobbying Terminated
2013

Foreign Entities Connected to Client

None

Lobbyists

View Filing