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.
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.
410-267-0410
191 Duke of Gloucester Street, Annapolis, MD, 21401, 
1) 3700MD, LLC
3) Alliance for Construction Excellence
5) ANGARAI
7) Associated Utility Contractors
8) Benedictine School Foundation, The
9) Blind Industries & Services of Maryland
10) Brownstein Hyatt Farber Schreck, LLP
11) BWI Airport Fire Rescue Local 1742
12) BWI Airport Professional Firefighters
14) Choice Hotels International, Inc.
15) Commissioners of St. Mary's County
16) County Commissioners of Caroline County, Maryland
17) David S. Brown Enterprises, Ltd.
19) Douglas Legum Development, Inc.
20) Earleigh Heights Volunteer Fire Company
21) eMed Labs, LLC
22) Foundation Development Group
23) Global Consulting Services
24) Greater Baltimore Urban League
29) LKQ Corporation
31) Maryland Association of Tobacco and Candy Distributors
32) Maryland Rangers Association
33) Maryland Same Day Messenger Courier Association
34) Maryland Self-Storage Association
35) Maryland Society of Eye Physicians & Surgeons
36) Maryland Underground Facilities Damage Prevention Authority
37) Maryland Wholesale Medical Cannabis Trade Association
38) Medical Management and Rehabilitation Services, Inc.
39) Medical Mutual Liability Insurance Society of Maryland
40) Mike Watson
41) Office of the County Executive for Howard County
42) One Call Concepts Locating Services, Inc.
44) Parsons Transportation Group, Inc.
45) Pascal Crisis Stabilization Center
47) Reginald F. Lewis Museum of Maryland African American History & Culture
51) TransCore
52) Vendomatic, Inc.
53) Washington County Commissioners
54) Washington Gas
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)
32) Maryland Center for History & Culture
34) Maryland Hospital Association
35) Maryland National Capital Park and Planning Commission
36) Maryland National Electrical Contractors Association
37) Maryland Troopers Association
38) Mayor and City of Baltimore, The
39) Mechanical Contractors Association of Maryland, Inc.
41) Nutanix
44) PharmaCann Inc. (ForwardGro Inc.)
45) Prince George's County, Maryland
49) Software AG Government Solutions, Inc.
50) St. Mary's College of Maryland Foundation
51) Strittmatter Companies, Inc.
52) Susan G. Komen
54) Teach Coalition
55) TechNet
56) Town of La Plata