Staff Bios

Meet the Economic Development Staff


Linda S. Vassallo


Linda S. Vassallo, director of economic development, holds a B.S. degree in mass communications from Towson State University. She was appointed director of Economic Development in 1999 and previously served as a marketing and communications specialist from 1996 to 1999. She has more than 28 years of experience in the fields of public relations, communications, marketing and business development. Prior to joining Calvert County Government, she served as a communications associate for USEC, public information specialist for SAIC, special projects analyst at the National Renewable Energy Laboratory and intern staff to the National Republican Senatorial Committee on Capitol Hill. 

Ms. Vassallo is past president of Leadership Southern Maryland. She is also a member of the Southern Maryland Economic Development Association and past chair; the Public Relations Society of America; the Maryland Association of Counties; the International Economic Development Council; and 2007 graduate of Leadership Maryland. She previously served as board member to the Maryland Economic Development Association (MEDA), is currently a member of the membership committee and was a member and previous chair of the MEDA awards committee.

Danita Boonchaisri


Danita Boonchaisri, business development specialist, holds a B.S. in communications and an M.S. in business management from University of Maryland University College. She has more than 20 years of experience in the fields of marketing and communications and over 15years of experience in economic development. Ms. Boonchaisri is responsible for managing the Calvert County Industrial Park and Patuxent Business Park. She is a business ombudsman for the county, a commercial site plan monitor on behalf of the business community and administrator of the Calvert Economic Development Loan Fund (CEDLF). Prior to joining the Department of Economic Development, she served as director of the Small Business Development Center, Southern Region, and the Entrepreneur and Leadership Center at the College of Southern Maryland. She also worked as a senior administrator and publication manager at the American Physical Society. 

She is a member of the Maryland Economic Development Association (MEDA) and the International Economic Development Council (IEDC). She is also a 2008 graduate of Leadership Maryland.

Kelly Robertson-Slagle


Kelly Robertson-Slagle, business retention specialist, is responsible for promoting and facilitating the retention of small business and other economic enterprises in the county; visiting the local business community to assess business needs; monitoring and documenting progress; and coordinating the provision of specific local state and federal resources where applicable. Ms. Robertson-Slagle holds a B.S. degree in marketing from the University of Maryland. She has completed numerous continuing education courses through the International Economic Development Council. Prior to joining the department, Ms. Robertson-Slagle served as director of the Maryland Small Business Development Center (SBDC) where she provided leadership in planning, coordinating and overseeing the development, delivery and reporting of all professional programs, activities and services for the Southern Maryland region. She also served as business development manager for the Calvert County Department of Economic Development, director of government/member relations with the Tri-County Council for Southern Maryland and business development specialist with the Maryland Department of Business & Economic Development where she worked directly with local jurisdictions on business retention and expansion projects. 

Ms. Robertson-Slagle has over 25 years of experience in government relations, business development, financial analysis, marketing, grant writing, program management, event planning and direct technical business assistance. In addition, Ms. Robertson-Slagle has extensive experience in working with new and expanding businesses and cultivating relationships between counties and the business community, economic development agencies, and state and regional agencies. She is a 2010 graduate of Leadership Southern Maryland, member of the Maryland Economic Development Association, the International Economic Development Council and Northeastern Economic Developers Association. She has served on boards of directors for the Patuxent Partnership, Southern Maryland Workforce Investment Board and Leadership Southern Maryland.

Mark Volland


Mark Volland, marketing and communications specialist, holds a B.A. in journalism and government from University of Maryland University College. He is responsible for marketing the county and providing information about county businesses, business services and government initiatives to the public and local, state and national media. Mr. Volland has more than 20 years of experience in journalism, publications, marketing and public relations. 

Prior to joining the Department of Economic Development, he served as communications manager at the College of Southern Maryland and as communications specialist with Southern Maryland Electric Cooperative. He also worked as a reporter and editor with The Recorder newspaper. Mr. Volland is a member of the City-County Communications and Marketing Association, Public Relations Individuals in Southern Maryland (PRISM) and Public Information Leaders of Today (PILOT).

Angela Walters Small


Angela Walters Small, public information specialist, is responsible for delivering internal and external strategic communications and media relations that support Calvert County Government. She serves as a key team member in support of employee communications. She also assists as departmental liaison with external groups such as the media, business interests, community groups and the general public.

Ms. Small holds a B.A. degree in communications from the American University. She has completed numerous continuing education courses in media relations, crisis communications and publication design. Prior to joining the department, Ms. Small was the manager of strategic leadership support and site contract lead for OMNITEC Solutions, a defense contractor at NAS Patuxent River. In that role, Ms. Small served as the lead speechwriter and supported all leadership communication efforts for the commander of the Naval Air Systems Command.

Ms. Small began working in Calvert County in 1992 as editor of the Calvert Independent. She moved from there to the corporate communications staff at the Calvert Cliffs Nuclear Power Plant, eventually becoming the supervisor of nuclear communication for the company’s nuclear fleet. 

A 20-year resident of Calvert County, Ms. Small has more than 25 years of communication experience. She also serves as the public affairs officer (volunteer) for the Maryland Fire and Rescue Services Memorial; director of communications (volunteer) for the Lucius Seneca Wellness Group (501.c); and is a member of the National Society of Professional Journalists. She is the former president of the board of directors for the Adult Day Care of Calvert County and former secretary of the Maryland Pro-Chapter of the Society of Professional Journalists.