MSMM Engineering, LLC was founded in 2011 by Manish Mardia, P.E. MSMM Engineering is a small full service engineering firm with an extensive design portfolio of projects. Our engineers have over 150 years of experience and combined have designed over 250 projects.

Our Team



President and Principle-In-Charge (PIC)

Mr. Manish Mardia, P.E., is a Louisiana registered Professional Engineer in Louisiana and Mississippi with more than 35 years of experience in drainage design, environmental engineering, civil engineering, planning, water, and sewer projects. Mr. Mardia has published several papers and 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 of 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, and 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  American Society of Civil Engineers (ASCE), the Society of American Military Engineers (SAME), and the Louisiana Engineering Society (LES).

Mark Windgate2


Executive Vice President

Mark's background blends public and private sector experience, uniquely equipping him to lead our multidisciplinary team in a range of complex engineering challenges. A licensed Professional Engineer in Louisiana and a University of New Orleans alumnus, Mark's contribution to Louisiana's coastal projects has been transformative, earning him the first ever R. King Miling Distinguished Costal Service Award by the Coastal Protection and Restoration Authority. Before joining MSMM Mark dedicated over 30 years of Federal service to the U.S. Army Corps of Engineers (USACE) New Orleans District, including over 8 years as Deputy District Engineer for Programs and Project Management.

In his role with the USACE New Orleans District, Mark brought first-hand knowledge of traditional and non-traditional Civil Works programs, policies and regulations and was committed to driving a successful delivery. He excelled in managing critical projects in flood risk management, coastal and ecosystem restoration, storm damage prevention, disaster recover, harbor development, and navigational improvements. His experience aligns seamlessly with our focus areas of Public Infrastructure, Flood Protection, Water/Wastewater, and Civil Works projects.



Vice President and Senior Engineer

Mr. Jim Wilson is a senior civil/drainage engineer with over 34 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 Texas.  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 American society of Civil Engineers (ASCE), the American Public Works Association, and ACEC.​



Vice President and Senior Engineer

Mr. Scott Chehardy is a senior civil engineer with over 23 years of experience designing and managing engineering projects throughout South Louisiana.  Mr. Chehardy’s experience is wide ranging and includes design of water and sewage treatment plants, sewage and drainage pump stations, water distribution systems, sewage collection systems and stormwater collection.  Mr. Chehardy additionally has experience with roadway and street design, hydraulic evaluation, water and sewer systems modeling, permitting and construction administration. Mr. Chehardy is considered a drainage expert, having been involved in some of the most complex drainage pump stations in the New Orleans area following Hurricane Katrina.



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 refered 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.



Lead GIS/CAD Manager

Mr. Eric Curson is a CADD manager at MSMM, providing project drawings in AutoCAD and Microstation. He has extensive Federal project design development experience, has developed drawings for multiple USACE Districts and is intimately familiar with the City of New Orleans design standards and cost estimating processes. Mr. Curson is also familiar with developing project graphics in ESRI ArcGIS and has developed such graphics for City of New Orleans community meetings. Additionally, Mr. Curson has extensive experience collecting project data in the field and pulling the data into AutoCAD for project drawings and modeling use. He is proficient in the use of Drones, surveying equipment, and has the proven ability to assess sewer and water infrastructure in the field.



Civil Engineer and Project Manager

Mr. Chris Mills is a Civil Engineer and Project Manager at MSMM, providing a wide range of skills including drafting in AutoCAD, assisting with designs throughout the public sector, and providing Construction Administration for a multitude of projects. Mr. Mills graduated from Louisiana State University with a Bachelor's Degree in Civil Engineering. He has extensive familiarity with the City of New Orleans design standards and cost estimating processes. Mr. Mills is also growing experience in the engineering field by designing, drafting, and managing multiple FEMA JIRR Roadway Reconstruction projects for the City of New Orleans Department of Public Works. Mr. Mills has become proficient in the use of surveying equipment as well as waterline, gravity sewer, and stormwater drainage design. Mr. Mills is also an active member in the American Society of Civil Engineers (ASCE) and the Louisiana Engineering Society (LES).

Stuart Professional Photo V2


Civil Engineer and Project Manager

Mr. Stuart Seiler is a licensed Civil Engineer with more than 8 years of extensive experience in the industry. A native of Louisiana, Mr. Seiler graduated from Archbishop Hannan High School and Louisiana State University, further solidifying his deep-rooted connection to the region. His expertise encompasses a wide spectrum of design and construction administration projects, ranging from roadway, drainage, water, sewer, and civil facilities. He has played a pivotal role in transportation and infrastructure enhancement initiatives, demonstrating a commitment to reducing traffic congestion and designing innovative multimodal facilities. Mr. Seiler brings competitive experience in designing and overseeing both urban and rural roadways, drainage systems, potable water infrastructure, pump stations, and sewer systems across Louisiana. Furthermore, he serves as a board member for the APWA professional society and maintains active membership in ASCE, within the New Orleans Chapters. Additionally, he is the co-founder and Vice President of No Days Offline 501C3 and Advisory Board President of Hannan High School.

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