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Client Registration: 2026  
Registration Information:
Registration Status: Concluded
Authorizing Officer name David Foy McGowan
Title Vice President, State Government Relations
Business name American Petroleum Institute
Address 200 Massachusetts Avenue Northwest    Suite 1100
City, state, zip code Washington , DC 20005         
Country US
Phone 919-412-4200 
Employment Information:

Account Type:   Lobbyist
Authorizing Officer Name:  
David   Joseph   O'Donnell
First   Middle   Last
Employed By:   American Petroleum Institute
Street 1:   11 Beacon Street
Street 2:   1230
City, State, Zip:   Boston MA 02108
Country:   US
Phone:   617-433-0609
Primary Email Address:   odonnelld@api.org
Additional Email Addresses:   davidodonnell@msn.com
Agent Type   Both
Date of Employment   01/01/2026
Date of Termination:  

Account Type:   Lobbyist
Authorizing Officer Name:  
Michael   Scott   Giaimo
First   Middle   Last
Employed By:   American Petroleum Institute
Street 1:   11 Beacon Street
Street 2:   Suite 1230
City, State, Zip:   Boston MA 02108
Country:   US
Phone:   603-777-0467
Primary Email Address:   giaimom@api.org
Additional Email Addresses:   giaimom@api.org
Agent Type   Both
Date of Employment   01/01/2026
Date of Termination:  

Account Type:   Lobbyist Entity
Authorizing Officer Name:  
Brian   S.   Dempsey
First   Middle   Last
Employed By:   Dempsey Associates LLC
Street 1:   11 Beacon Street
Street 2:   Suite 1120
City, State, Zip:   Boston MA 02108
Country:   US
Phone:   617-742-2000
Primary Email Address:   brian@dempseyassociates.com
Additional Email Addresses:  
Agent Type  
Date of Employment   01/01/2026
Date of Termination: