 RUTLAND, Vt., Aug. 13, 2021 GLOBE NEWSWIRE -- Casella Waste Systems, Inc. Casella Nasdaq: CWST, a regional solid waste, recycling and resource management services company, announced that the Companys Vice President and Chief Accounting Officer, Christopher B. Heald plans to retire on March 31, 2022 after a 20-year career with the company. 