410-618-6921
2 Francis Street, Annapolis, MD, 21401, 
Subjects: All Subjects
Links:Website
Served in the Maryland State Senate from 1995 to 2019, representing District 28 in Charles County
Former Chairman of the Senate Finance Committee
Full-time owner and operator of his family farm in Charles County, Maryland
Former Maryland State Senator, Thomas "Mac" Middleton joined the Cornerstone Annapolis office as a senior consultant in January 2021. Mac possesses nearly four decades of experience working in public service in the state of Maryland. He brings to the firm expertise in economic development, financial services, budget and appropriations, agriculture, energy and environment, and infrastructure policy.
He was elected to the Maryland State Senate in 1994 and initially served on the Senate Budget and Taxation Committee and was Chairman of the Capital Budget Subcommittee. Since 2003, Middleton has served as Chairman of the Finance Committee. As chairman, he led the committee in reviewing all legislation relating to banks and other financial institutions, business regulation and occupations, commercial law, economic development, health, labor, and insurance matters.
Prior to serving in the Senate, Mac was chairman of the Charles County Planning Commission where he worked to better manage growth in the county from 1978 to 1986. In 1986, he was elected President of the Charles County Commissioners and continued to work on improving the county's government services, education, and growth management. Mac has also served as Chairman of the Chesapeake Bay Commission, which is a tri-state legislative body that advises the legislatures of Maryland, Pennsylvania and Virginia, and the U.S. Congress on issues of bay-wide concern and ensures state and federal actions to sustain the living resources of the Chesapeake Bay.
Mac has been the owner and operator of his family farm, Cedar Hill Farm, since 1971 and brings unique insight into challenges faced by small business owners. He is a lifelong Charles County, MD resident, a full-time farmer, husband, father of three, proud grandfather, and strong believer in public service.
410-204-1707
2 Francis Street, Suite 302, Annapolis, MD, 21401, 
Subjects: All Subjects
Links:Website, LinkedIn
20 years of legislative and policy work at the federal, state and local levels
Previously served as director of government affairs for Anne Arundel County Executive Steve Schuh
Spent seven years working as director of conservation programs and a governmental affairs representative for Ducks Unlimited
Worked for former Maryland Governor Bob Ehrlich for six years on Capitol Hill and in Annapolis
1) Alorica
2) American Petroleum Institute
3) Amgen, Inc.
4) AstraZeneca Pharmaceuticals, LP
5) Baltimore County Public Library Board of Trustees
6) Biotechnology Innovation Organization
7) Choptank Electric Cooperative, Inc.
9) Delaware-Maryland Agribusiness Association
11) Equifax Inc.
12) Francis Energy
Bernie Marczyk joined Cornerstone's Annapolis office in December 2018. Most recently, Bernie served as the director of government affairs for Anne Arundel County Executive Steve Schuh. In this role, he worked closely with the County Council and Maryland General Assembly to advance legislative initiatives and implement public policies for the County.
Prior to working for the County Executive, Bernie worked for Ducks Unlimited for seven years as a federal and state lobbyist and thenin managing the organization's conservation delivery in the Atlantic Region (Maryland to Maine). In this role he was responsible partnering with federal, state, and non-profit organizations on land acquisition and wetland restoration projects on private lands or public lands such as Blackwater National Wildlife Refuge.
Bernie began his professional career working for then-Congressman Bob Ehrlich first as a legislative assistant on Capitol Hill and then as a policy advisor for Governor Ehrlich in Annapolis where he oversaw the legislative and policy efforts of the Departments of Agriculture, Environment, Natural Resources, Planning, and Transportation. Bernie also worked on multiple statewide and local elections in Maryland.
A graduate of Princeton University, Bernie and his wife Keely live on Maryland's Eastern Shore with their nine-year-old daughter Leah, seven-year-old twins Claire and Tommy, and three-year-old daughter Stella. Bernie is an active volunteer at St. Christopher's Catholic Church and as a basketball, soccer, and softball coach.
301-412-5399
2 Francis Street, Annapolis, MD, 21401, 
443-416-4684
2 Francis Street, Annapolis, MD, 21401, 
410-935-1470
2 Francis Street, Annapolis, MD, 21401, 
1) Alorica
3) American Petroleum Institute
4) Amgen, Inc.
5) AstraZeneca Pharmaceuticals, LP
6) Baltimore County Public Library Board of Trustees
8) Biotechnology Innovation Organization
9) Capital One
12) Choptank Electric Cooperative, Inc.
13) City of Bowie
14) Clark Construction Group, LLC
15) Comcast Cable Communications LLC
16) CropLife America
17) Delaware-Maryland Agribusiness Association
20) Elevance Health, and its Affiliates
21) Equifax Inc.
22) Equinor Wind US
23) Francis Energy
24) Historic St. Mary's City Commission Foundation
25) iDevelopment and Economic Association
26) Johns Hopkins
27) Leaselock, LLC
31) Manufacturers' Alliance of Maryland (MAM)
33) Maryland Center for History & Culture
35) Maryland Hospital Association
36) Maryland National Capital Park and Planning Commission
37) Maryland National Electrical Contractors Association
38) Maryland Troopers Association
39) Mayor and City of Baltimore, The
40) Mechanical Contractors Association of Maryland, Inc.
42) Nutanix
45) PharmaCann Inc. (ForwardGro Inc.)
46) Prince George's County, Maryland
50) Software AG Government Solutions, Inc.
51) St. Mary's College of Maryland Foundation
52) Strittmatter Companies, Inc.
53) Susan G. Komen
55) Teach Coalition
56) TechNet
57) Town of La Plata