The Department of County Administration fosters interdepartmental coordination and provides day-to-day administrative and technical support to ensure efficient operation of government and effective use of tax dollars in delivering services.


Chief Administrative Officer

photo of Lonnie Robbins

Lonnie R. Robbins was appointed Howard County Chief Administrative Officer effective January 3, 2007 after serving as Deputy Chief Administrative Officer since 2004. He began his career with Howard County government as an Assistant County Solicitor in the Office of Law in 1989, and was named a Senior Assistant County Solicitor in 1993. In these capacities, he advised and represented various County departments and agencies, including the Police Department, Police Hearing Board, County Council, Purchasing, Citizen Services, Transportation and Recreation and Parks. In addition, he represented various boards and commissions, including the Board of Appeals, Human Rights, Ethics, Mental health Authority, Local Children’s Board, Equal Business Opportunity and the Economic Development Authority.  

A native of Snow Hill, Maryland, Robbins attended the University of Maryland College Park. He earned a B.S. degree in Business and Public Administration, with a concentration in Transportation. He later received his J.D. degree from the University of Baltimore School of Law.

Robbins currently serves as a Trustee of both the Howard County Employee’s Pension Plan and the Howard County Police and Fire Pension Plan. Robbins is admitted to practice law in Maryland and Pennsylvania state courts, as well as in the Federal District Court of Maryland and the Supreme Court of the United States.


Deputy Chief Administrative Officer


Angela Lagdameo Cabellon worked in state government for ten years and gained a reputation of increasing efficiency and effectiveness across organizations. She recently hailed from the Montgomery County Department of Health and Human Services where she served as the Social Services Officer and Deputy Chief of Children, Youth and Family Services, managing $38M in social service programs funded by the Maryland Department of Human Services (DHS) and a workforce of nearly 500 people. She oversaw technology modernization and business process redesign in 6 offices. 

Previously, Lagdameo Cabellon served as the Assistant Secretary for Policy and Program Management at DHS where she advised on policy and oversaw strategic initiatives on child welfare, child support, workforce development, the Affordable Care Act, and economic assistance. 

Lagdameo Cabellon got her start in state government through preparing all education policy briefings for the Director of Policy and former Governor O’Malley while analyzing early learning, education, and workforce data. Lagdameo Cabellon was a Teach for America Corps Member in San Jose, California teaching Special Education English at Independence High School. She earned her Bachelor’s degree from the University of Maryland, College Park and Master’s in Public Policy from Harvard University’s Kennedy School of Government.


Assistant Chief Administrative Officer

Janssen E. Evelyn was named Assistant Chief Administrative Officer in 2017. He began his career with Howard County government as an Assistant County Solicitor in the Office of Law in 2015. In this capacity, he advised and represented various county departments and offices, including the Office of Human Resources, the Department of Fire and Rescue Services, the Police Department, and the Department of Public Works on issues related to personnel matters, labor and employment, labor negotiations, and administrative issues. He also served as legal advisor to the Retirement Plan Committee. 

Prior to joining the County, Evelyn worked as an Associate County Attorney in the Prince George’s County Office of Law from 2012-2015. There, he represented the county agencies and departments in all c