(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
1) Community Power Coalition of New Hampshire
5) Evolution Malta Holdings Limited
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.
(603) 491-2853
57 North Main St., Suite 403, 57 North Main St., Suite 403, Concord, NH, 03301, 
Subjects: All Subjects
Links:Website
Extensive experience navigating the New Hampshire legislature and regulatory agencies
Former President and Founder of MM Weston & Associates
1) Community Power Coalition of New Hampshire
5) Evolution Malta Holdings Limited
Maura Weston brings a wealth of knowledge and experience in political and legislative advocacy to our Concord office.
Maura previously served as President and Founder of MM Weston & Associates. With extensive experience representing a wide range of clients before the New Hampshire legislature and regulatory agencies, she specializes in crafting and executing both short- and long-term legislative strategies, drafting testimony and working closely with policymakers to advance client interests. After founding her own government relations practice, Maura successfully represented clients in key sectors such as telecommunications, healthcare, energy and contract procurement.
Her notable achievements include advocating for the deregulation of VoIP services, reforming wireless facility siting processes and advancing net energy metering laws to expand renewable energy markets. Maura has also played a pivotal role in creating new healthcare legislation for collaborative practice agreements and helped invalidate restrictive covenants in physician employment contracts.
Prior to founding MM Weston & Associates in 2006, Maura was a Partner at Rath, Young, and Pignatelli, where she honed her expertise in government relations. Earlier in her career, she worked as an Associate Attorney and Law Clerk at the same firm.
Maura holds a Juris Doctor from the University of New Hampshire School of Law and a Bachelor of Arts in Political Science from the University of New Hampshire. In addition, she is an active member of the American Bar Association and New Hampshire Bar Association and became the sole New Hampshire member of the National League of Women Lobbyists.
(603) 780-4636
57 North Main St., Suite 403, 57 North Main St., Suite 403, Concord, NH, 03301, 
Subjects: All Subjects
Links:Website
Specializes in furthering state client priorities in New Hampshire
Previously served as the public policy lead for New Hampshire's state chamber of commerce. Former Legislative Aide in the New Hampshire State Senate
1) Community Power Coalition of NH
5) Eversource
6) Evolution Malta Holdings Limited
Kirsten Koch joined Cornerstone's Concord team in October 2024, serving as Vice President to assist with executing strategic client initiatives and helping them cultivate strong relationships throughout the state.
Kirsten came to the firm following her time at the Business & Industry Association of New Hampshire (BIA) most recently serving as Vice President of Public Policy. In this role, Kirsten advised the public policy team, driving proactive advocacy efforts and overseeing the policy development process among BIA members. She regularly testified before the state legislature representing the business community on a variety of energy and environmental issues. Kirsten successfully advocated changes to make New Hampshire a more competitive state for doing business, including spearheading key policy initiatives to streamline permitting processes and drive the development of local energy sources. She also directed BIA's largest coalition of businesses while producing educational conferences for the organization.
Before her time at BIA, Kirsten worked as a Legislative Aide for the New Hampshire State Senate, gaining an in-depth understanding of the legislative process and building strong relationships with legislators and state agencies. She served as the aide to the Health and Human Services Committee and the Transportation Committee. Additionally, Kirsten served as Strategic Initiatives Director for the New Hampshire Republican State Committee, leading grassroots initiatives and managing statewide coalitions for federal, state and local elections.
Kirsten is proud to be a lifelong Granite Stater. She holds a bachelor's degree in political science with a law minor from Plymouth State University, where she graduated Summa Cum Laude.
(850) 577-0444
201 East Park Avenue, 5th Floor, Tallahassee, FL, 32301, 
4) Access Restoration Services US, Inc.
5) Adrienne Arsht Center for the Performing Arts
8) Alexion Pharmaceuticals, Inc.
10) Alliance for Commercial Real Estate
11) Amazon.com, Inc.
13) American Coastal Insurance Company
14) American Veterinary Medical Association
15) Amneal Pharmaceuticals LLC
16) Angel Armor
17) AquaFence Inc.
19) AstraZeneca Pharmaceuticals, LP
20) Atlas Air, Inc.
21) Atlas Data Privacy Corporation
24) Automated Healthcare Solutions
25) Avecina Medical
27) Babcock Property Holdings, LLC
28) Barry University
29) Basketball Properties, LTD
30) Bayer U.S. LLC
32) Becker Boards
34) Big Bend Homeless Coalition
38) Block, Inc.
40) Blue Waters Development Group, LLC
41) BMG Money, Inc
42) Botanicals for Better Health and Wellness
43) Bravotampa, LLC
44) Brent L. Mills, Incorporated
45) Broward County
46) Broward County Sheriff's Office
48) Caplin Family Offices, LLC
49) Centene Corporation on behalf of its affiliates and subsidiaries
51) Citrus Health Network, Inc
54) City of Cape Coral, Florida
55) City of DeBary
58) City of Largo
59) City of Marathon
60) City of Miami
62) City of Palm Beach Gardens
64) City of Pensacola, Florida
67) Clerk of the Circuit Court & Comptroller, Palm Beach County
68) Clyde Johnson Contracting & Roofing, Inc.
69) Coinbase, Inc.
70) Colonial Management Group, LP
71) Communications International, Inc.
72) Core and Main LP
74) Council of Florida Medical School Deans
76) Cox Science Center and Aquarium
77) Cruise Lines International Association
78) DACRA
79) DBL Ventures
80) de Moya Highway Infrastructure LLC
81) DEEP Research Incorporated
82) Delaware North Companies Gaming & Entertainment, Inc
84) Dezer Plaza LLC
86) DISH Network LLC
87) DMF Employment Opportunities, Inc.
88) Doodie Calls LLC
90) DoorDash, Inc.
92) DSS, Inc.
95) Eisai, Inc
96) Electronic Transaction Consultants, LLC
97) Embassy of Japan
98) Enespa Technologies US LLC
99) Epilepsy Florida
100) ExThera Medical Corporation
101) FarmaceuticalRX LLC
103) Feeding Northeast Florida, Inc.
104) Fernandina Wins, Inc., d/b/a No Ethanol Fernandina
105) Figgers Communication, Inc.
106) Fire Neural Network
107) Florida A & M University Foundation
108) Florida Alliance of Children's Councils & Trusts, Inc.
109) Florida Association of Cosmetology & Technical Schools (FACTS)
110) Florida Chiropractic Association, Inc
111) Florida Entertainment & Arts Venues Association, Inc.
112) Florida Network of Youth and Family Services, Inc
113) Florida Podiatric Medical Association
114) Florida Power & Light Company
115) Florida Rural Water Association
116) Florida Sheriffs Risk Management Fund
117) Florida Society of Ophthalmology
118) Florida Society of Pathologists
120) Florida Transportation Builders Association, Inc
121) Florida Veterinary Medical Association
122) FOP Foundation
123) Fortune Brands Innovations, Inc.
125) Foundation for Seminole State College of Florida, Inc
126) Fresenius Medical Care North America
127) Friends of the Underline, Inc.
128) FSCC, LLC
129) GAF Materials, LLC
131) GlaxoSmithKline
132) Habilitation Center for the Handicapped, Inc.
133) Health Care District of Palm Beach County
134) Hillsborough County Board of County Commissioners
135) HistoryMiami Museum
136) HNTB Corporation
137) Hope Healthcare
143) Indelible Management Solutions, Inc.
144) Infrastructure Rehabilitation USA, Inc.
146) Intellectually Developmentally Disabled Community Foundation
147) International Atlantic, LLC
148) Investment Corporation of Palm Beach
149) Jacksonville Port Authority
150) Jacksonville Transportation Authority
151) Jacob Rodgers
152) Keystone Properties, L.L.C.
153) Kinder Morgan, Inc.
154) Kitson Evergreen LLC d/b/a Kitson & Partners
155) Kleo, Inc. d/b/a ClassWallet
156) KPMG LLP
157) L3Harris Technologies, Inc.
159) Liberty Dental Plan
161) Lighthouse Central Florida
162) Linden Airport Services Corporation
163) Lions World Vision Institute, Inc.
164) Loggerhead Marinelife Center
165) Lucent Group, Inc.
166) Lupin Pharmaceuticals, Inc.
169) Marine Towing of Tampa, LLC
170) Martin County Board of County Commissioners
171) Max Planck Florida Foundation, Inc
172) Maxim Healthcare Services, Inc
173) MCI, LC
174) Meta Platforms, Inc.
175) Miami Dade College Foundation
176) Miami Design District Associates, LLC
177) Miami Learning Experience School
178) Miami Lighthouse for the Blind and Visually Impaired, Inc
181) Mount Sinai Medical Center
182) NAIOP Tampa Bay
183) National Rental Home Council
184) National Veterinary Associates, Inc.
185) Nationwide Retirement Solutions, Inc.
186) Natural Health Partners, LLC
187) New York Yankees
188) Nomi Health Inc
189) North Broward Hospital District (d/b/a Broward Health)
190) Northport Health Services of Florida, L.L.C.
191) Nova Southeastern University
192) NTT Data, Inc.
193) Nuestra Senora de la Vivienda Community Foundation
194) Office of the Commissioner of Baseball
196) Orange Barrel Media
197) Padel X
198) Palm Beach Aggregates, LLC
199) Panza, Maurer & Maynard, P.A.
200) Parsons Transportation Group Inc.
201) Pensacola State College Foundation, Inc.
202) PointClickCare Technologies USA Corp
203) Public Health Trust
204) Quarterhill
205) RAI Services Company
206) Re-Entry Alliance Pensacola, Inc.
207) ReaSyn Technologies, Inc.
208) Renew Financial Group LLC
209) Revenue Based Finance Coalition
210) RightSite Health
211) Robinhood
212) RUDG, LLC
214) SaferWatch
215) Safety Net Hospital Alliance of Florida
216) Sanford Airport Authority
217) SAS Institute, Inc
218) Security Scorecard
219) Selah Freedom
220) Seminole Hard Rock Digital, LLC
221) Sentara Health Plans, Inc.
222) SePro Corporation
223) Shands Teaching Hospital and Clinics, Inc.
224) SHEIN Technology LLC
225) Shopping Center Management d/b/a Turnberry Associates
226) Simon Wiesenthal Center, Inc.
227) Skyward, Inc.
228) Socure, Inc.
230) South Central Florida Express, Inc
231) South Florida Police Benevolent Association
232) Southern Glazers Wine and Spirits, LLC.
233) Southern Technical College Suncoast, LLC
234) Spark Learning, Inc.
235) SPIDR Tech, Inc.
236) Spray Foam Coalition Association
237) St. Francis Reflections Lifestage Care
238) Stalwart Equities
239) State Armor
240) Strategic Digital Services
241) Stride, Inc.
242) Suffolk Construction Company, Inc.
243) Sunfest Herbs LLC
244) SWARM Inc.
247) Teach Florida
248) The Florida Theatre
249) The Private Suite
250) The School Board of Lee County
251) Titan America LLC
252) Town of Lantana
253) Town of Palm Beach
254) Transit Village Venture, LLC
255) Tremco Incorporated
256) Trulieve, Inc.
257) Unite USA, Inc.
258) United States Sugar Corporation
259) University of Central Florida Foundation, Inc.
260) University of Florida Foundation, Inc.
261) University of Miami
262) Univfy, Inc.
263) Ventra Health
265) Village of North Palm Beach
266) Voices for Children Foundation, Inc
267) VyStar Credit Union
268) Walden Lake, LLC
269) Walgreen Company
270) Walk Off Charities
271) WeatherSTEM
272) Wheeler Emergency Management Consulting, LLC
273) Wildlandscapes International
274) Windstorm Mitigation, Inc
275) Worldwide Interactive Network, Inc. d/b/a WIN Learning
276) Xerox Corporation and its affiliates
278) Youth Opportunity Investments
279) Zoox, Inc.
280) Zscaler, Inc.
(850) 577-0444
201 East Park Avenue, 5th Floor, Tallahassee, Florida, 32301, 
3) American Coastal Insurance Company
5) Augmented Intelligence Technologies, Inc.
6) Block, Inc.
10) Coinbase, Inc.
11) DoorDash, Inc.
(603) 391-2250
57 North Main St., Suite 403, 57 North Main St., Suite 403, Concord, NH, 03301, 
1) Community Power Coalition of New Hampshire
5) Eversource
6) Evolution Malta Holdings Limited