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.
303-898-0532
1600 Broadway Suite 1350, Denver, CO, 80202, 
1) ANIMAS LA PLATA OPERATION MAINTENANCE & REPLACEMENT ASSOCIATION
4) COLORADO ASSOCIATION OF HEALTH PLANS
5) COLORADO ASSOCIATION OF TICKET BROKERS
6) COLORADO COUNTY EMPLOYEE RETIREMENT ASSOCIATION
7) COLORADO HIGH SCHOOL ACTIVITIES ASSOCIATION
8) COLORADO SPRINGS CHAMBER OF COMMERCE AND EDC
9) DISTILLED SPIRITS COUNCIL OF THE UNITED STATES
10) DUEL AND SNYDER IMPROVEMENT COMPANY
12) FARMERS RESERVOIR AND IRRIGATION COMPANY
13) FORT MORGAN RESERVOIR AND IRRIGATION COMPANY
14) HABITAT FOR HUMANITY METRO DENVER
15) HENRYLYN IRRIGATION DISTRICT
18) JAMES IRWIN CHARTER SCHOOLS
19) JULESBERG IRRIGATION DISTRICT
20) LAND TITLE ASSOCIATION OF COLORADO
21) LOGAN WELL USERS
23) LOWER SOUTH PLATTE WATER CONSERVANCY DISTRICT
24) MONUMENT ACADEMY
25) NORTH STERLING IRRIGATION DISTRICT
27) PREWITT OPERATING COMMITTEE
28) SCHOOL COALITION FOR EXCELLENCE
31) THE WATER RIGHTS ASSOCIATION OF THE SOUTH PLATTE
410-204-1707
9 State Circle, Suite 302, Annapolis, MD, 21401, 
Subjects: All Subjects
Links:Website, LinkedIn
Created the first a trade association of Maryland's nine Medicaid MCOs and served as Director and principal lobbyist for the MCOs who are responsible for providing health care to 1.2 million Marylanders enrolled in the Medicaid program
Provides strategic consulting and lobbying to the Maryland Hospital Association and its 64 hospitals on medical liability, tort reform, and integrated community oncology issues.
Lobbied for the passage of legislation on behalf of ZERO to Prostate Cancer making Maryland the second state in America to eliminate cost-sharing for prostate cancer screening
Named 2020 Top Lobbyist by the National Institute for Lobbying & Ethics (NILE)
1) American Petroleum Institute
2) AstraZeneca Pharmaceuticals, LP
3) Baltimore County Public Library Board of Trustees
5) Biotechnology Innovation Organization
6) Capital One
7) Choptank Electric Cooperative, Inc.
8) Clark Construction Group, LLC
9) CMI General Contractors, Inc.
10) CropLife America
11) Delaware-Maryland Agribusiness Association
14) Elevance Health, and its Affiliates
15) ForwardGro, Inc.
17) Historic St. Mary's City Commission Foundation
19) Johns Hopkins
23) Make-A-Wish Mid-Atlantic Inc.
24) Manufacturers' Alliance of Maryland (MAM)
27) Maryland Hospital Association
28) Maryland National Capital Park and Planning Commission
29) Maryland Troopers Association
30) Mechanical Contractors Association of Maryland, Inc.
32) NRG Energy, Inc.
33) Nutanix
34) Owner-Operator Independent Drivers Association
37) Prince George's County, Maryland
39) Software AG Government Solutions, Inc.
40) St. Mary's College of Maryland Foundation
42) Town of La Plata
Delora R. Sanchez, Esq. joined Cornerstone in October 2015 after leading Johns Hopkins Medical System's government affairs team. Delora spent nearly a decade representing Hopkins' interests before the Maryland General Assembly, Governor's office, and state administrative agencies. She has an extensive background in state legislative and regulatory issues.
As a senior vice president in Cornerstone's Annapolis office, Delora specializes in representing hospitals, managed care organizations (MCOs), pharmaceutical manufactures, medical cannabis companies, and private sector special interests. Over the past 10 years, Delora has used her deep policy expertise and legislative connections to save or create tens of millions of dollars in state funding for clients; shape Maryland's medical liability policy; and steer the top healthcare system in the world through the implementation of the Affordable Care Act and the creation of the Maryland Health Benefits Exchange.
Delora was recognized by the Daily Record in 2017 as a VIP, 40 under 40 and as a Leading Woman in 2013. In 2014 Sanchez was named a Marshall Memorial Fellow -- the flagship leadership development program of the German Marshall Fund of the United States. From 2008 to 2010 she was appointed by the President of Johns Hopkins University to serve on the Johns Hopkins Diversity Leadership Council. During the same time period, she was also appointed by then Governor Martin O'Malley to the Maryland Commission for Environmental Justice and Sustainable Communities.
Delora is a member of Delta Sigma Theta Sorority, Incorporated, and serves as chair of community engagement on the board of directors for Thread, which engages underperforming high school students facing significant barriers outside of the classroom. As a native of Baltimore and current South Baltimore resident, Delora was proud to accept an appointment by the Speaker of the Maryland House of Delegates to the South Baltimore Gateway Partnership Board. The organization is responsible for distributing approximately $8 million in casino revenue for community development projects in the areas immediately impacted by the casino's construction. Previously, she was a board member of the Charles Village Community Benefits District and Vice Chair of the board for Hope Forward, which provides support transitioning for former foster youth.
Delora holds a Juris Doctor degree with a concentration in Health Law from University of Maryland Francis King Carey School of Law and an undergraduate degree in Healthcare Management from Towson University. She is licensed to practice law in Maryland and the District of Columbia. Delora is a lifelong resident of Baltimore and enjoys living downtown, yoga, and biking around the City.
225-936-9800
37397 CYPRESS ALLEY AVE., GONZALES, LOUISIANA, 70737, 
301-412-5399
2 Francis Street, Annapolis, MD, 21401, 
303-898-0532
8761 Cimarron Street, HIghlands Ranch, CO, 80126, 
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) JDC Events
27) Johns Hopkins
29) Lincoln Technical Institute, Inc.
30) Make-A-Wish Mid-Atlantic Inc.
31) Manufacturers' Alliance of Maryland (MAM)
32) Maryland Center for History & Culture
33) Maryland Hospital Association
34) Maryland National Capital Park and Planning Commission
35) Maryland National Electrical Contractors Association
36) Maryland Troopers Association
37) Mechanical Contractors Association of Maryland, Inc.
39) Nutanix
43) Prince George's County, Maryland
46) St. Mary's College of Maryland Foundation
47) Strittmatter Companies, Inc.
48) Susan G. Komen
50) Teach Coalition
51) TechNet
52) Town of La Plata
410-280-5088
29 Francis Street, Annapolis, MD, 21401, 
5) Brandywine Investment Properties, LLC
6) Catholic Charities of the Archdiocese of Washington
7) Charles County School Bus Contractors Association, Inc.
10) Clark Construction Group, LLC
11) College of Southern Maryland
12) Constellation
13) County Commissioners of Charles County, Maryland
14) D.R. Horton
15) Elion Acq, LLC
18) Fieldstone Properties I, LLC
19) First Choice Masonry, Inc.
20) G P Fairway LLC
21) G.S. Proctor & Associates, Inc.
22) Gaylord National Resort & Conference Center
23) Generation Properties, LLC
24) Goodwill of Greater Washington
25) Greater Washington Board of Trade
27) Junior Achievement of Greater Washington
28) Lanier Electronics Group, Inc.
29) LifeStyles of Maryland Foundation, Inc.
30) Lincoln Avenue Capital Management, LLC
31) Manekin, LLC
34) MedStar Southern Maryland Hospital Center
35) Melwood Horticultural Training Center, Inc.
37) Michael J. Chiaramonte & Associates
39) Newton Development Company, LLC
40) Penn Place I Owner LLC and Penn Place II Owner LLC
44) Pleasants Construction, Inc.
45) Prince George's County Deputy Sheriff's Association
46) Prince George's County School Board
48) Prologis
56) TeamGov
57) Technology Advancement Center
58) Tejjy, Inc.
60) United Communities Against Poverty (UCAP)
61) United States Bomb Technician Association (USBTA)
62) Vital Services Corporation
63) Walton International Group (USA), Inc.
64) Washington Gas
65) Wills Group, The