Mr. Kotra joined the firm in October of 1988. He is the CADD production supervisor and GMB’s chief designer in the Baltimore Office. Mr. Kotra’s expertise and strengths lie in the area of water and wastewater plant design. He has approximately 18 years of design experience and he has a thorough knowledge of wastewater collection and treatment plant design procedures. He is typically involved with the layout of collection systems and distribution systems under the guidelines of a project engineer.