Manish Mardia, P.E.

President and Principal-In-Charge (PIC)

Mr. Manish Mardia, P.E., is a Louisiana registered Professional Engineer in Louisiana and Mississippi with more than twenty (20) years of experience in drainage design, environmental engineering, civil engineering, planning, water, and sewer projects. Mr. Mardia has published several papers and he was presented with the President's Award for Excellence by Brigadier General Robert Crear, President of the Mississippi River Commission, for his numerous satisfactory project management services to the US Army Corps of Engineers.  His expertise includes design, construction and management municipal wastewater treatment facilities, stormwater hydraulic modeling, drainage master planning and drainage pump stations, study and management of infiltration and inflow of stormwater into wastewater collection systems, environmental site assessments, grant and loan funding applications, environmental permitting and project management. He has extensive intimate knowledge on the infrastructure of Orleans Parish, Jefferson Parish, St. Tammany Parish, St. Charles Parish, St. Bernard Parish, and Ascension Parish. Along with engineering know how, Mr. Mardia has also acquired close familiarity with the myriad governmental funding programs dealing with regular planning work (US EPA, STAG, COE Section 219, WRDA, PRP, etc.), as well as with post-emergency damage restoration work (FEMA, GOHSEP/LRA, HUD/CDBG).  Mr. Mardia is an active member of the following professional organizations:

  • American society of Civil Engineers (ASCE)
  • Society of American Military Engineers (SAME)
  • Louisiana Engineering Society (LES)


Priyodarshi Majumdar, P.E.

Priyodarshi Majumdar, P.E.


Mr. Priyo Majumdar has close to 20 years of experience in planning, civil engineering, environmental engineering and grant applications in south Louisiana and Mississippi. He holds professional engineer registration as civil and environmental engineer in three jurisdictions (LA, MS and FL). He has worked on infrastructure elements such as roads, bridges, airports, water, sewer, and drainage, providing services such as project management, NEPA documentation, grant application, agency coordination, hydraulic modeling, environmental permitting, disaster recovery, Brownfields, and public outreach. Many of these projects required concurrent coordination with a multitude of local, state and federal agencies (Parishes, Towns, GOHSEP/HUD, FEMA, LDOTD, COE, USF&WS) due to multiple sources of funding on a single project.  He also has more than 10 years of experience in grant applications, funding research, and grant management with programs and agencies such as STAG, FEMA, WRDA, FAA, HMGP, LPRP, EPA, COE, SWFCP, etc. 
Mr. Majumdar is an active member of the following professional organization:

  • American society of Civil Engineers (ASCE)


Jim Wilson, P.E., LEED® AP

Vice President

Louisiana Engineering Society (LES)
Mr. Jim Wilson is a senior civil/drainage engineer with over 25 years of experience in the public sector, successfully designing and managing drainage, sewerage, roadway, waterlines, and site development projects in multiple jurisdictions of Louisiana and Michigan.  Mr. Wilson has developed an excellent working relationship with many of the local authorities having jurisdiction (AHJ) over the features, utilities, properties and regulatory requirements in Jefferson Parish, Kenner, Slidell and Ascension Parish, such as U.S. Army Corps of Engineers, Coastal Protection & Restoration Authority of Louisiana (CPRA), LDEQ, LDNR Office of Coastal Management, U.S. Coast Guard, and the East Jefferson Levee District (EJLD).  He is also experienced in master planning, wetland mitigation planning, streetscape planning, and permitting.  Mr. Wilson is an active member of the following professional organizations:
  • American society of Civil Engineers (ASCE)
  • American Public Works Association
  • ACEC

Dr. Marty Tittlebaum, P.E.

Senior Engineer

Dr. Marty Tittlebaum, past Edward G. Schlieder Chair for Urban Waste Management and Research and Professor of Civil and Environmental Engineering, possesses expertise in the areas of hazardous and industrial waste remediation, environmental permitting and environmental engineering research and project management, water and wastewater treatment and reuse, resource recovery, and hazardous waste management. Dr. Tittlebaum has received over $8M in state, national and international research funding, written over 75 refereed technical journal articles and been an invited lecturer of over 100 papers. Dr. Tittlebaum has served on several technical advisory panels, including the U.S. Corps of Engineers hazardous waste evaluation program.


Tom Willis, P.E., MBA

Senior Civil and Environmental Engineer 

Mr. Willis has over 30 years of civil and environmental engineering experience.  His expertise includes construction bidding and specification preparation, environmental engineering design and construction, value engineering studies, project management services, environmental permitting, feasibility studies, flood studies, bridge hydraulics analyses, and highway drainage design projects.


Byron Whiddon

Accounting and Marketing

Byron Whiddon currently manages and performs all accounting and marketing aspects for MSMM Engineering, LLC (MSMM), along with assisting in office administration tasks of the organization. He is experienced as staff accountant, finance analyst, claims analyst, field surveyor supervisor, and marketing manager. Previously Mr. Whiddon worked in public accounting with clients in a diverse group of industries where he obtained extensive accounting knowledge. Mr. Whiddon assisted with processing vendor claims for the British Petroleum (BP) oil spill where he expanded his audit experience. Before embarking on his accounting career, Mr. Whiddon traveled the United States extensively for the country’s largest marketing research firm. As a marketing manager for a local catalog firm he excelled in creation of publication materials. Former working environments range from a small business atmosphere to the global corporate stage. 

Phillip Mason

Project Cost and Scheduling

Mr. Phillip Mason is a senior scheduler with extensive experience in planning and scheduling in both the petro-chemical industry and for the United States Army Corps of Engineers. As a scheduling  supervisor and master scheduler he has successfully executed Feasibility, PED, Construction, O&M, and Turnaround projects with budgets from $500,000 to $400,000,000. Mr. Mason has an excellent understanding of CPM method, earned value calculations, rules of credit, change and delay management, and developing recovery plans. During the course of his career, Mr. Mason has held many senior scheduling positions such as Site Manager/Senior Project Scheduler, Construction Scheduler, Branch Manager, and Turnaround Scheduler.