617-722-0040
6 Beacon Street, #210, Boston, MA, 02108, 
With decades of public and private sector experience, Morrissey & Associates enjoys strong working relationships with decision makers and civic leaders across the Commonwealth. We provide strategic counsel and advocacy to a wide array of clients whose business interests are impacted at the local, state, and federal level.
15-20 years
Sean has significant Massachusetts public sector experience. As the Chief of Staff to former Massachusetts House Speaker Thomas M. Finneran (D-Boston), he served as the chief operating officer for the House of Representatives and counseled legislative leaders on issues ranging from administration and legislation to major public policy initiatives. In addition to his work with the Speaker, he served the House as Staff Director to the Committees on Taxation, Banks & Banking, and Criminal Justice under former Chairman James T. Brett (D-Boston).
Sean has also worked extensively with national legislative associations such as the National Conference of State Legislatures, the State Legislative Leaders' Foundation, and the National Speakers' Conference. As the primary contact for the Massachusetts House, Sean networked with legislative leaders and staff to promote best practices and advocate on the state and federal level. Given his tenure on Beacon Hill, he has a unique working knowledge of state legislatures and their leadership.
Sean Morrissey founded MORRISSEY & ASSOCIATES, LLC in 2007 to assist clients at the local, state, and federal level. Through individual and collaborative efforts, M&A offers strategic advice and counsel to a wide array of Fortune 500 companies with business interests in the Commonwealth.
Prior to founding M&A, Sean served as Vice President in the Boston office of Dutko Worldwide, a leading Washington, DC based public affairs and lobbying firm. While at Dutko, Sean was responsible for servicing the firm's existing national clients and generating business development opportunities in New England.
617-449-8515
20 Ashburton Place, 2nd Flr,, 2nd Flr, Boston, MA, 02108, 
(916) 446-6752
1415 L STREET, SUITE 1200, SACRAMENTO, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
513-325-5657
88 E Broad St, Suite 1220, Columbus, OH, 43215, 
1) AgileBlue
2) American Beverage Association
4) Americans for Affordable Clean Energy
5) Area Office on Aging of Northwestern Ohio, Inc.
6) Argonaut
7) Association of American Publishers
8) Board of Lucas County Commissioners
9) Breezeline
13) Erie County Board of Commissioners
15) FEWI Development Corporation
17) Govsoft
21) InnoSource
22) International Legal Finance Association
23) Intralot, Inc.
24) Kitchen of Life
26) MAG Industries
29) Miami University
30) Museum of Contemporary Art-Cleveland
31) Nationwide Energy Partners, LLC.
32) NeoTek
34) Ohio Funeral Directors Association
35) Ohio Manufacturers' Association
36) Ohio State Association of Nurse Anesthetists
37) Ohio Suicide Prevention Foundation
38) OhioX
39) ootBox
40) Othram, Inc.
44) Seneca County Commissioners
45) SEO Natural Enterprises, LLC dba Backroad Wellness
46) Sevita
48) Tech Corps Ohio
49) The Honor Bound Initiative
50) Tipp City, Ohio
52) Transfr Inc.
53) Urban Management Services, Inc./Cardinal Treatment Centers
54) Vista Village
(916) 446-6752
1415 L STREET, SUITE 1200, Sacramento, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
617-759-8917
10 Derne St, Suite 3, Boston, MA, 02114, 
(916) 446-6752
1415 L STREET, SUITE 1200, SACRAMENTO, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
(916) 446-6752
1415 L STREET, SUITE 1200, Sacramento, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
(916) 446-6752
1100 K STREET, SUITE 101, SACRAMENTO, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
(916) 446-6752
1415 L STREET, SUITE 1200, SACRAMENTO, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF
(916) 446-6752
1415 L STREET, SUITE 1200, Sacramento, CA, 95814, 
1) ALLIANCE FOR AUTOMOTIVE INNOVATION
2) ALTRIA CLIENT SERVICES LLC AND ITS AFFILIATES
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES CALIFORNIA
4) ASSOCIATED BUILDERS AND CONTRACTORS OF CALIFORNIA
5) ASTRAZENECA PHARMACEUTICALS, LP
6) BANK OF AMERICA CORPORATION
7) CALIFORNIA ASSOCIATION FOR BEHAVIOR ANALYSIS
8) CALIFORNIA DISABILITY SERVICES ASSOCIATION
9) CALIFORNIA FINANCIAL SERVICE PROVIDERS ASSOCIATION
10) CALIFORNIA INSTITUTE FOR REGENERATIVE MEDICINE
11) CALIFORNIA MANUFACTURED HOUSING INSTITUTE
12) CALIFORNIA OPTOMETRIC ASSOCIATION
13) CALIFORNIA SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS
14) CARDINAL HEALTH
15) CENTRAL VALLEY SALINITY COALITION
17) COALITION FOR AI NONPROFIT INTEGRITY
18) COMCAST CORPORATION AND ITS WHOLLY OWNED SUBSIDIARIES INCLUDING NBC UNIVERSAL MEDIA, LLC
20) COMPUTERIZED VEHICLE REGISTRATION
22) COVETRUS
24) CYSTIC FIBROSIS FOUNDATION
25) DIRECTORS GUILD OF AMERICA, INC.
26) ENTERPRISE HOLDINGS, INC. AND AFFILIATES DBA ENTERPRISE MOBILITY
27) GAF MATERIALS LLC AND GAF ENERGY LLC, COLLECTIVELY "GAF"
29) HANFORD; CITY OF
30) HURST BROOKS ESPINOSA, LLC
32) JOHNSON & JOHNSON SERVICES, INC.
33) KESTER/PAHOS
34) LAKE; COUNTY OF
35) LOCAL INITIATIVE HEALTH AUTHORITY FOR LOS ANGELES COUNTY DBA L.A. CARE HEALTH PLAN
40) MYRIAD GENETICS
41) NRG ENERGY, INC.
42) ORANGE COUNTY FIRE AUTHORITY
43) OTHRAM, INC.
45) PERRIS; CITY OF
50) SHAW INDUSTRIES GROUP, INC.
51) UNIVERSIDAD DE LA SALLE BAJIO
52) UNIVERSITY OF SOUTHERN CALIFORNIA; THE
53) VISALIA; CITY OF
54) VISION TO LEARN
55) WASTE MANAGEMENT & AFFILIATED ENTITIES
56) YOLO; COUNTY OF