(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
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.
(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) Dartmouth Hitchcock Medical Center
5) Encompass Health Corporation
7) Evolution Malta Holdings Limited
10) MLB
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) 391-2250
57 North Main St., Suite 403, 57 North Main St., Suite 403, Concord, NH, 03301, 
Subjects: All Subjects
Links:Website
Over 25 years of experience in public policy, administration and government at every level
Previously served as regional administrator of the United States Small Business Administration
Former senior advisor in the Office of Sen. Jeanne Shaheen (D-NH)
2) Allocore
3) Dartmouth Hitchcock Medical Center
7) Emovis
8) Encompass Health Corporation
10) Eversource
Mike Vlacich brings over 25 years of experience in public policy, administration and government at every level to open Cornerstone's Concord, New Hampshire office.
He joins the firm following his time at the United States Small Business Administration (SBA), where he was appointed by President Biden to the role of regional administrator. He was responsible for overseeing SBA programs, offices and operations in the SBA's New England region which serves Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont.
Prior to this role, Mike held several positions in the Office of Sen. Jeanne Shaheen (D-NH) with the latest being senior advisor. He provided support to the Senator, Chief of Staff, Legislative Director, State Director, scheduling department and Communications Director on policy, communications and other strategic imperatives. He also held key roles in Sen. Maggie Hassan's office (D-NH) and Gov. John Lynch's office as director of the New Hampshire Division of Economic Development.
Along with his government involvement, Mike was president and CEO of a higher education trade association, the New Hampshire College and University Council, a member of the University System of NH Board of Trustees, UNH Alumni Association Board, the New Hampshire Community Development Finance Authority, NH EPSCoR Statewide Committee, New Hampshire Small Business Development Council Advisory Committee, New Hampshire Workforce Opportunity Council and the Governor's Save Our Shipyard Commission.
He has received the New Hampshire Business Review Business Excellence Award. He also earned the New Hampshire Department of Resources and Economic Development Award for Excellence, the Business and Industry Association of New Hampshire's Above and Beyond Award and was ranked on the Business NH Influencer Index.
Mike received his bachelor's in political science from the University of New Hampshire.
(850) 577-0444
201 East Park Avenue, 5th Floor, Tallahassee, FL, 32301, 
2) Access Restoration Services US, Inc.
3) Adrienne Arsht Center for the Performing Arts
6) Alexion Pharmaceuticals, Inc.
7) Alliance for Commercial Real Estate
9) American Coastal Insurance Company
10) American Veterinary Medical Association
11) Angel Armor
12) AquaFence Inc.
13) AstraZeneca Pharmaceuticals, LP
15) Atlas Air, Inc.
16) Atlas Data Privacy Corporation
19) Babcock Property Holdings, LLC
20) Barry University
21) Basketball Properties, LTD
22) Bayer U.S. LLC
23) Big Bend Homeless Coalition
25) Block, Inc.
27) Botanicals for Better Health and Wellness
28) Brent L. Mills, Incorporated
29) Brightstar Global Solutions Corporation
30) Broward County
31) Broward County Sheriff's Office
34) Canvasback Conservation LLC
35) Caplin Family Offices, LLC
36) Centene Corporation on behalf of its affiliates and subsidiaries
38) Citrus Health Network, Inc
39) City of Aventura
42) City of Cape Coral, Florida
43) City of DeBary
46) City of Largo
47) City of Marathon
48) City of Miami
49) City of Palm Beach Gardens
51) City of Pensacola, Florida
56) Clerk of the Circuit Court & Comptroller, Palm Beach County
57) Clyde Johnson Contracting & Roofing, Inc.
58) Coastal Waste & Recycling Inc.
59) Coinbase, Inc.
60) Communications International, Inc.
61) Core and Main LP
63) Council of Florida Medical School Deans
65) Cox Science Center and Aquarium
66) Cruise Lines International Association
67) Crypto Council for Innovation
68) DACRA
69) DBL Ventures
70) de Moya Highway Infrastructure LLC
71) DEEP Research Incorporated
72) Delaware North Companies Gaming & Entertainment, Inc
75) DMF Employment Opportunities, Inc.
76) Doodie Calls LLC
77) DoorDash, Inc.
79) DRC Emergency Services, LLC
80) DSW Homes, LLC
83) Eisai, Inc
84) Embassy of Japan
85) Enespa Technologies US LLC
86) Epilepsy Florida
87) Equifax Inc.
90) Figgers Communication, Inc.
92) First American Title Insurance Company
94) Florida A & M University Foundation
95) Florida Alliance for Seniors
96) Florida Association of Cosmetology & Technical Schools (FACTS)
97) Florida Entertainment & Arts Venues Association, Inc.
98) Florida Gulf Coast University Foundation, Inc.
99) Florida Network of Youth and Family Services, Inc
100) Florida Podiatric Medical Association
101) Florida Power & Light Company
102) Florida Rural Water Association
103) Florida Sheriffs Risk Management Fund
104) Florida Society of Ophthalmology
105) Florida Society of Pathologists
107) Florida Transportation Builders Association, Inc
108) Florida Veterinary Medical Association
109) FOP Foundation
111) Foundation for Seminole State College of Florida, Inc
112) Fresenius Medical Care North America
113) Friends of the Underline, Inc.
114) GAF Materials, LLC
116) GlaxoSmithKline
117) Habilitation Center for the Handicapped, Inc.
118) Halt Fire
119) Health Care District of Palm Beach County
120) Henderson Behavioral Health
121) HistoryMiami Museum
122) HNTB Corporation
123) Hope Healthcare
125) HPM Lot 5, LLC
126) HPM Resi II, LLC
127) Huntington Ingalls Incorporated
129) Indelible Management Solutions, Inc.
130) Infrastructure Rehabilitation USA, Inc.
131) Intellectually Developmentally Disabled Community Foundation
132) International Atlantic, LLC
133) Investment Corporation of Palm Beach
136) Keystone Properties, L.L.C.
137) Kinder Morgan, Inc.
138) Kitson Evergreen LLC d/b/a Kitson & Partners
139) Kleo, Inc. d/b/a ClassWallet
140) KPMG LLP
141) L3Harris Technologies, Inc.
143) Leonard Mace and Krystle A. Mace
144) Liberty Dental Plan
145) Lifepoint Health
147) Lions World Vision Institute, Inc.
148) Lupin Pharmaceuticals, Inc.
151) Marine Towing of Tampa, LLC
152) Marion County Board of County Commissioners
153) Martin County Board of County Commissioners
154) Max Planck Florida Foundation, Inc
155) Maxim Healthcare Services, Inc
156) MCI, LC
157) Meta Platforms, Inc.
158) Miami Dade College Foundation
159) Miami Design District Associates, LLC
160) Miami Learning Experience School
161) Miami Lighthouse for the Blind and Visually Impaired, Inc
162) Monsanto Company dba Ruveon LLC
163) Morningstar Nursery, Inc.
165) Mount Sinai Medical Center
166) NAIOP Tampa Bay
167) National Rental Home Council
168) National Stormwater Trust, Inc.
169) Nationwide Retirement Solutions, Inc.
170) Natural Health Partners, LLC
171) New York Yankees
172) Nomi Health Inc
173) North Broward Hospital District (d/b/a Broward Health)
174) Northport Health Services of Florida, L.L.C.
175) Nova Southeastern University
176) Office of the Commissioner of Baseball
178) Orange Barrel Media
179) Orion Edge Group
180) Palm Beach Aggregates, LLC
181) Panza, Maurer & Maynard, P.A.
182) Parsons Transportation Group Inc.
183) Pensacola State College Foundation, Inc.
184) Philips North America, LLC
185) PointClickCare Technologies USA Corp
186) Praesentia Healthcare LLC
187) Public Health Trust
188) Quarterhill
189) RAI Services Company
190) Re-Entry Alliance Pensacola, Inc.
191) ReaSyn Technologies, Inc.
192) Renew Financial Group LLC
193) Revenue Based Finance Coalition
195) Right Fit Advisors
196) RightSite Health
197) Robinhood
198) RTI International
199) RUDG, LLC
201) SaferWatch
202) Safety Net Hospital Alliance of Florida
203) Sanford Airport Authority
204) SAS Institute, Inc
205) Security Scorecard
206) Selah Freedom
207) Seminole Hard Rock Digital, LLC
208) Sentara Health Plans, Inc.
209) SePro Corporation
210) Shands Teaching Hospital and Clinics, Inc.
211) Shopping Center Management d/b/a Turnberry Associates
212) Sig Sauer, Inc.
213) Simon Wiesenthal Center, Inc.
214) SimpliGov, LLC
215) Skyward, Inc.
216) Socure, Inc.
218) South Central Florida Express, Inc
219) South Florida Police Benevolent Association
220) Southern Glazers Wine and Spirits, LLC.
221) Southern Technical College Suncoast, LLC
222) Spark Learning, Inc.
223) SPIDR Tech, Inc.
224) Spray Foam Coalition Association
225) St. Johns County
226) State Armor
227) Strategic Digital Services
228) Stride, Inc.
229) Strydent Autonomous Technologies, Inc.
230) Success Academy Charter Schools, Inc.
231) Suffolk Construction Company, Inc.
232) Sunfest Herbs LLC
234) SWARM Inc.
237) The Pattah, LLC
238) The Private Suite
239) The School Board of Lee County
240) Titan America LLC
241) Town of Jupiter
242) Town of Lantana
243) Town of Palm Beach
244) Tremco Incorporated
245) Trulieve, Inc.
246) Unite USA, Inc.
247) United States Sugar Corporation
248) University of Central Florida Foundation, Inc.
249) University of Florida Foundation, Inc.
250) University of Miami
251) Vanguard Parking Solutions, Inc.
254) Village of North Palm Beach
255) Vireo Health, Inc.
256) Vista Higher Learning, LLC
257) Voices for Children Foundation, Inc
258) VyStar Credit Union
259) Walgreen Company
260) Walk Off Charities
261) WeatherSTEM
262) Wheeler Emergency Management Consulting, LLC
263) Wildlandscapes International
264) Windstorm Mitigation, Inc
265) Windstorm, Inc.
266) Worldwide Interactive Network, Inc. d/b/a WIN Learning
267) Xerox Corporation and its affiliates
269) Zoox, Inc.
270) Zscaler, Inc.
(203) 214-0848
57 North Main St., Suite 403, Concord, NH, 03301, 
(850) 577-0444
201 East Park Avenue, 5th Floor, Tallahassee, Florida, 32301,