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.

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.

Ellen Valentino joined Cornerstone's Maryland team in December 2019. She brings to Cornerstone more than 30 years of lobbying expertise in Maryland, Delaware and the District of Columbia. Ellen represents diverse business interests from small businesses to the energy sector to beverage companies. She focuses her work on protecting client interests through practical policy change, coalition-building, issue positioning and political strategy.

Prior to joining Cornerstone, Ellen founded and operated her own legislative and association management consulting firm, Valentino-Benitez & Associates (VBA, Inc.), for more than 28 years. As president of the firm, Ellen advocated for clients and built trusted relationships and coalitions to represent their interests in matters before the District of Columbia City Council, the Maryland and Delaware legislatures, and local governments.

In addition to representing various clients, Ellen currently serves as the executive vice president for the Maryland-Delaware-District of Columbia Beverage Association and the Mid-Atlantic Petroleum Distributors Association.

Ellen began her professional career as an executive in grassroots lobbying management with the Greater Washington/Maryland Service Station and the Automotive Repair Association. In 1991, she established her own legislative and association management consulting firm.

A life-long Maryland resident, Ellen is a graduate of Catholic University. She is married to Robert Benitez and they have two daughters.

Jenna Massoni serves as a senior associate supporting the firm's Annapolis, Maryland office. She assists a team of seven senior professionals with issue monitoring, policy research and analysis and legislative advocacy and outreach. She became a member of the Public Relations Society of America Inc. in 2021.

Prior to her current position, Jenna managed health care benefits for the students of Johns Hopkins University and was involved in planning the annual commencement ceremony.

Jenna graduated from Washington College in May 2015 with a B.S. in Business Management and received her M.A. in Contemporary Communications from Notre Dame of MD University in December 2019.