SaLUT

Key Personnel

Pradeep J. Perera, PE
President

Prad is a Professional Engineer in Maryland, Virginia and DC with over 35 years of professional experience. His technical expertise is primarily in geotechnical engineering, materials engineering, and in-situ testing. He holds a number of national awards for his program management.

Prad holds a Master’s Degree in Geotechnical Engineering from West Virginia University and a Bachelor’s Degree in Civil Engineering from the University of Nottingham.

David Heisler, PhD
Sr. Vice President

David has over 45 years of experience in project and program management and quality assurance. He manages SaLUT’s Federal Highway Administration and Department of State programs. He has directed staffs of up to 50 technical professionals. He conducts quality reviews of up to 500 technical reports annually.  He has 19 years of teaching and training experience, covering industrial hygiene, environmental engineering, health and safety, information technology, human resources, management, statistics, anthropology, and archaeology. 

David received his PhD and MA in Anthropology from the University of Missouri-Columbia, and his BA in Anthropology from the University of New Mexico.

Andy McAllister
Vice Persident

Andy has over 13 years of experience in geotechnical and environmental consulting, including subsurface exploration, industrial hygiene, environmental assessments, construction material testing, construction management, and safety. He oversees SaLUT’s environmental and occupational health and safety programs, providing oversight on all business operations. His role includes contract executions, negotiations, hiring, business development, and staff training. He provides primary review and technical support for all environmental site assessment and remediation projects.  

Andy received his BS in Natural Science from Daemen College.

Edward Dalton, PE
Chief Operating Officer

Ed has more than 35 years of experience in Geotechnical Engineering and Construction Management in the Mid-Atlantic region, further strengthening SaLUT’s ability to provide exceptional service to our clients. Ed oversees SaLUT’s geotechnical engineering and drilling services program.

Ed received his BSCE and MSCE in Soil Mechanics from the University of Maryland College Park and is a registered professional engineer in Maryland and Delaware.

William Wainger, PE
Sr. Civil Engineer

Mr. Wainger has more than 40 years of engineering, permitting, construction and maintenance experience, including previously managing SaLUT’s geotechnical engineering program. His areas of engineering expertise include geotechnical, pavements, utilities, environmental, storm water management, remediation, and storage tank removal. He is expert in quality control.

Bill received his BS and MS in Civil Engineering from the University of Maryland, College Park. He is a registered professional engineer in Maryland, Virginia, and the District of Columbia

Amy Diamond
Sr. Environmental Scientist

Amy has more than 20 years of experience, Her areas of expertise include environmental consulting, Phase I ESA, industrial hygiene, and project management. She manages NEPA analysis,  asbestos, lead based paint, mold, PCB, and drinking water assessment projects.

Amy received her BS in Marine Science from Eckerd College.

Imran M. Syed, PhD, PE
Sr. Pavement & Geotechnical Engineer

Imran is responsible for management, execution and supervision of geotechnical, pavements and materials engineering projects. He has over 20 years’ experience in the fields of geotechnical, pavements and construction materials engineering. His experience encompasses both research and practical applications.

Imran received his Master’s and PhD from Texas A&M University.

Aung Banyar, PhD, PE
Sr. Geotechnical Engineer

Banyar is responsible for providing technical support to geotechnical investigations, environmental site assessments, and technical expertise on geotechnical issues pertaining to projects SaLUT is engaged on.   He supervises and manages engineering technicians in accordance with company policies and applicable laws. He has over 15 years’ experience in the field of geotechnical engineering.

Banyar received his PhD in Civil Engineering from the University of Tokyo and is a registered professional engineer in the state of Virginia.

Mark Applegate, CIH, CSP
Certified Industrial Hygienist

Mark has over 30 years of experience providing safety and environmental consulting, industrial hygiene and project management services for DoD, federal, state and industrial clients. Expertise with responsibility and authority to implement safety, occupational health and quality control at project sites.

Mark received his BS in Chemistry from Washington State University. He is a certified industrial hygienist and certified safety professional.

Dilan Mack, EIT
Operations Manager

Dilan has over 10 years of experience in occupational health and safety, environmental engineering, and geographic information systems. He directs storm water management, storage tank, industrial hygiene, and environmental data management projects.  providing safety and environmental consulting, industrial hygiene and project management services for DoD, federal, state and industrial clients. Expertise with responsibility and authority to implement safety, occupational health and quality control at project sites.

Dilan received his BS in Electrical Engineering from Capital College. He is an engineer-in-training.

Shannon Hudgins, PE
Sr. Geotechnical Engineer

Shannon has been involved in geotechnical engineering and construction material testing and observation services for over 15 years. He has experience in geotechnical design of shallow and deep foundations, soil improvement design methods, pavement design, slope stability analysis, stormwater management evaluations, and forensic evaluations of distressed pavements and building components. He is a professional engineer registered in Maryland and District of Columbia

Mark Fletcher, MWD
Drilling Forman


Mark is a Master Well Driller with more than 35 years of experience. He has expertise in various types of geotechnical related exploration techniques, including the use of solid flight as well as small and large diameter hollow stem augers and rotary wash and mud drilling techniques. He installs geotechnical instrumentation, including inclinometer casing, pneumatic and vibrating wire piezometers, settlement anchors and extensometers.