Patricia L. Martin, P.E., President and Founder
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A certified woman-owned business owner, Ms. Martin earned her Bachelors Degree in Civil Engineering in 1988 while attending the University of Maryland in College Park, Maryland. In 2002, she became a Maryland Licensed Professional Engineer with a strong desire of starting her own company. She has worked in the civil engineering and heavy highway contracting business in the Maryland, Delaware, District of Columbia, and Northern Virginia region for over 30 years. Her most notable projects for The State of Maryland include: the Intercounty Connector and the I-95 Express Toll Lanes. Ms. Martin served on the American Council of Engineering Companies (ACEC) Construction Services and Small Business Subcommittees and the Maryland State Highway Administration Partnering Subcommittee. She is an Associate Member of the American Society of Civil Engineers (ASCE), a member of American Association of Highway Engineers (ASHE) and the Project Management Institute (PMI). Ms. Martin is certified by the Transportation Construction Management Institute at Virgina Polytechnic Institute and State University.


Bob Ziemski, Inspection Division Manager

Bob joins IT as the Construction Inspection Division Manager with over 30 years of construction experience in Maryland.  His past experience with the Maryland State Highway Administration (MDOT-SHA) and The Maryland Transportation Authority (MDTA) is invaluable for navigating the policies and procedures required for managing the firms Construction Inspection Division.  Bob’s Construction experience extends to administration of multi-million dollar highway, tunnel, facilities and bridge construction contracts for both traditional design-bid-build projects as well as design-build project delivery for projects.  He is already a great contributing member of our core services Construction Management Team for CPM Scheduling, Claims Analysis and Constructability Review services.  Bob’s excellent reputation has forged many relationships with clients and agencies across the state.  His rapport and communication skills will be key factors in growing our Construction Inspection Division in the region.

Michael Lieberman, P.E. - Constructability Division Manager
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Mike joined IT in 2019 as a Construction Manager with over 24 years of professional experience.  He received his Bachelor of Science in Civil Engineering, focusing on Structural Engineering from Washington University in St. Louis, Missouri.  Mike is a licensed Professional Engineer in Maryland and Virginia and has extensive construction contracting experience in the mid-Atlantic region. He has been a Construction Manager, Project Manager and Utility Coordinator with over eighteen years of construction experience, including many high-profile projects in the mid-Atlantic region.  His early professional experience included serving as Special Assistant to the Office of Legislative Affairs facilitating communications between Members of Congress and astronauts. He also served as Executive Assistant to the Administrator for NASA.  His areas of engineering expertise include bridge and highway construction, utility construction and coordination, Intelligent Transportation Systems (ITS) construction and integration, and historic structure preservation.  Mike provides all phases of construction management services including constructability review, CPM schedule and claims review and analysis, cost estimating, value engineering and other engineering support services.

David J. Kraig, P.E. -  Constructability Division Manager (Retired 2020)

After 13 great years with IT, Dave is enjoying retirement spending more time with his family! Congratulations Dave! Dave will be available on a part-time basis to assist IT as needed.  Dave joined IT in 2007 and lead the company’s constructability review and value engineering efforts.  Dave also managed many CPM Scheduling projects including design schedules, conceptual construction schedules and construction review schedules, which sometimes involved construction claims mitigation and analysis. He received his Bachelor of Science Degree in Civil Engineering Technology at Southeastern Massachusetts/University of Massachusetts at Dartmouth in 1977. He has been a Project Manager and Superintendent with over 40 years experience in heavy highway construction. His primary areas of expertise were Interstate highway & bridge construction, subway construction, dam and tunnel construction, power plant construction, as well as related structure and utility work. He has served as an expert witness and is familiar with legal support matters involving depositions.

Heather VanZandt, E.I.T.  - Construction Engineer

Heather joined IT in 2016 as a Construction Engineer.  Heather oversees our CPM Scheduling Division, providing CPM analysis for a number of projects.  Heather also provides critical support for numerous tasks for cost estimating, constructability review and claims analyses.  Prior to joining IT, Heather worked as a senior project engineer for nine years on heavy highway construction projects in Virginia, her largest being the Telegraph Road Interchange project in excess of $250 Million where she managed project costs, CPM Scheduling, change orders, and all jobsite related project management. She received her Bachelor of Science Degree in Civil Engineering at Syracuse University in 2002.

Michael "Ray"Aretz, E.I.T.  - Construction Engineer / Cost Estimator
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Mike joined IT in April of 2020 as a Construction Engineer with over 30 years of heavy civil and highway construction experience.  Mike is a degreed civil engineer and holds an MBA as well.  Mike has a wealth of experience as a manager, engineer, and estimator focusing on diverse projects such as heavy marine, deep foundation, underground utility, airport, substation, mass excavation, industrial, bridge and highway construction.  Mike has worked for diverse owners such as USAC, DOD, Amtrak, DC Water, WSSC, WMATA, NPS, MD Counties, and State DOTs.  Mike provides critical support for estimating, scheduling, claims, constructability, and other issues as needed.

Kim Lynch, Director of Business Operations

Kim joined IT in 2010 with extensive business management experience working for a large commercial electrical contractor. She began her career at IT in office management, and quickly expanded her efforts to improve many company processes. Over the years, Kim has been a part of almost every aspect of internal office processes:  improving proposal tracking, billing  procedures, expanding the company’s internal network to meet the demands of a growing online and mobile workforce. As Director of Business Operations, Kim oversees all accounting and audit operations while maintaining a growing information technology and mobile platform. Kim continues to be an invaluable part of our growth and success.

Rhonda Parker - Billing Manager

Rhonda joined IT in 2012. Coming from the wireless communication sector, she brings numerous years of valuable client and project management experience to the team. 

After mastering the company’s administrative and payroll processes, Rhonda moved into contract administration and now serves as the Billing Manager, preparing numerous monthly invoices for government contracts. Rhonda also manages contract funding levels to ensure continuity in operations and handles all reallocation and funding transfers as needed.  Rhonda plays an integral role in keeping the business running smoothly and tracking revenue.

Keren Siders - HR/Payroll Administrator

Keren Siders joined IT in 2019 as a Human Resources professional.  Keren brings over 15 years of administrative experience in Office Management, Human Resources, and Accounting.  She manages and oversees the administration of HR policies and procedures; employee benefits; compensation and payroll.   Along with a passion for organization, multi-tasking, and keeping our employees happy- she is also a mom to three teenagers, identical twin girls and a son!


Infrastructure Technologies, LLC employs a highly competent staff with experience in a wide range of areas such as Construction Management, CPM Scheduling, Claims Review, Project Management, Construction Inspection and more.

Infrastructure Technologies, LLC

11140 Dovedale Court  Marriottsville, MD 21104


Phone: 410.442.4404          Fax: 410.442.4408          Email: