(603) 540-9808
57 North Main St., Suite 403, 57 North Main St., Suite 403, Concord, NH, 03301, 
Subjects: All Subjects
Links:Website
Former chief of staff for Sen. Maggie Hassan (D-NH)
Previously served as Sen. Hassan's campaign manager and communications director when she was New Hampshire's governor
Marc Goldberg joined Cornerstone in July 2023, expanding the firm's public affairs presence to New Hampshire and bringing 17 years of media and strategic communications experience to the Public Affairs team.
Previously, Marc served as chief of staff for the office of Sen. Maggie Hassan (D-NH) since 2016. In this role, he managed a team of nearly 50 staffers across the Senator's D.C. office, five state offices and subcommittee office through the Homeland Security and Governmental Affairs Committee. Before that, he also served as Sen. Hassan's campaign manager as well as her communications director when she was New Hampshire's governor. Other communications roles include press secretary for former Maryland Lt. Gov. Anthony Brown and communications director for former Rep. Suzanne Kosmas (D-FL).
Marc has also served as the independent expenditure director for the Democratic Senatorial Campaign Committee. In this role he focused on running paid-media efforts across the committee's targeted states and building teams of TV, digital and polling consultants for each state.
Marc holds a bachelor's degree in political science with a concentration of American politics and a minor in psychology from the University of Pennsylvania.
1001 Pennsylvania Avenue NW, Suite 710, Washington, DC, 20004, 
1) ANTHEM, INC.
2023211877
10771 DEBORAH DRIVE, POTOMAC, MD, 20854, 
(503) 548-7646
232 NW 6th Avenue, Portland, OR, 97209, 
(503) 428-6036
900 Court st, Salem, OR, 97301, 
1440 New York Avenue, NW, Washington, DC, 20005, 
2028499002
120 GARRETT STREET, SUITE 700, CHARLOTTESVILLE, VA, 22902, 
1900 K St NW, Washington, DC, 20006, 
2024674700
800 Connecticut Avenue Northwest, Suite 300, Washington, DC, 20006, 
1) Americans for Puerto Rico's Self-Determination
2) Anterix Inc. (formerly known as pdvWireless, Inc.)
4) Bacardi North America (formerly Bacardi USA Inc)
5) Bank Mobile, Inc. (Formerly Higher One)
7) Broadbill Investment Partners, LLC
11) City of Sunrise
12) Costa Farms
13) CSU Global
16) ECPI University of Virginia Beach, Virginia
17) Environmental Litigation Group
18) Falcon Farms
19) Foundation for Human Rights in Cuba
20) Fox Corporation
21) Franciscan Alliance (f/k/a Sisters of St. Franciscan Health Services)
22) Free Conference Call Corporation
23) George Matelich
27) International Center for Democracy
28) Intralot USA
29) Kairos Partners
30) Lir Media
31) Manipal Education Americas, LLC (Greater Caribbean Learning Resources Inc
33) MSP Recovery
34) Nova Southeastern University
35) OneSpaWorld
36) Participate (Formerly VIF International Education)
38) R3 Education fka/Equinox Capital, Inc
39) Road Scholar
43) Tower Communications Expert, LLC
44) U.S. EDUCATION Servicing, LLC
45) Unibe Universidad of the Dominican Republic
46) Universal Technical Institute
47) Universidad Central del Este
48) Venezuelan American Alliance
49) Vme Media Inc.
(943) 203-5133
3400 Peachtree Road NE, Suite 921, Atlanta, GA, 30326, 
2026282929
1909 K Street, N.W., Suite 500, Washington, DC, 20006-1117, 
646-973-5534
250 West 55th Street, 35th Floor, New York, NY, 
2022238950
1146 19th St. NW, SUITE 350, Washington, DC, 20036, 
617-951-1400
1 Cranberry Hill, 304,, 304, Lexington, MA, 02421, 
212-343-0114
14 WALL STREET, Suite 3B, NEW YORK, NY, 
950 F Street NW, Suite 300, Washington, DC, 20004, 
2027925464
1440 G Street NW, WASHINGTON, DC, 20005, 
000-000-0000
7089799367
20 N WACKER DR STE 1600, CHICAGO, IL, 60606, 
646-786-0885
55 Broad Street, 10th Floor, NEW YORK, NY, 
603-540-9809
800 Maine Avenue SW, 7th Floor,, 7th Floor, Washington, DC, 20024, 
2024366467
700 Pennsylvania Ave, SE, Suite 380, Washington, DC, 20003, 
1(401) 728-1510
226 Cottage St, Pawtucket, RI, 02860, 
1720 I STREET, NW, SUITE 800, WASHINGTON, DC, 20006, 
718-838-7869
360 E. 161ST STREET, 360 E. 161ST STREET, BRONX, NY,