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Meet Our Instructors

John Cooke - Engineering & Survey Technology Coordinator
John Cooke joined Wetland Studies and Solutions, Inc. in the fall of 2009 after working as an independent consultant and AutoCAD® instructor for over twenty years. John presently operates the CivilTraining, LLC division of Wetland Studies and Solutions, Inc. (WSSI), a Davey Tree Company, and supports Engineering, GIS and Surveying technology efforts within the office and to clients nationwide. He has been continuously affiliated with Autodesk® Civil / Survey applications since 1989, functioning initially in development and then in consulting and training roles. He has an extensive background in the development, implementation and training of Autodesk AEC Civil Engineering, Surveying, GIS and BIM solutions and has provided training to thousands of individuals nationwide, assisted numerous clients in implementing Civil software, CAD standards and practices, and provided project consulting to many clients in unusual or challenging project applications. Within WSSI, he participates in development efforts for Engineering and Survey automation, including the creation of custom software for stream restoration based on AutoCAD® Civil 3D®.
Paul Szarowicz
Paul Szarowicz, Jr., LS
Paul Szarowicz is a Licensed Surveyor in Virginia with over 13 years of experience in the environmental consulting industry. He is the Senior Survey and CAD Coordinator for Wetland Studies and Solutions, Inc. (WSSI), a Davey Tree Company, in Gainesville, Virginia. Paul has over 10 years experience working in AutoCAD®, Land Desktop Companion®, Map® and Civil 3D®. He oversees the CAD drawing standards and practices in the Survey department and runs the day to day operations of 3-4 field crews and 1-2 CAD technicians. Paul also assists the Director of Engineer and Survey Technologies with company CAD standards and practices throughout 4 offices in the Virginia and Maryland region. He is responsible for wetland location, archaeology location, topographic, bathymetric, impact, stream and wetland construction stakeout, as-builts and monitoring drawings, and easement and house location plats. With his Unmanned Aircraft Systems (UAS) remote pilot certification, he is currently taking lead in WSSI’s UAS program as the UAS Pilot and creating the safety and training program. Paul is also taking the lead in the use and training for WSSI’s autonomous boat for bathymetric surveys and managing the large point datasets and drawings.
Jeffrey Krentar
Jeff Krentar is a CAD-BIM training specialist with more than 10 years´ experience in an Autodesk Authorized Training Center (ATC) and specializes in Autodesk products, including AutoCAD and Revit. He has taught CAD and BIM technology and Autodesk products in small and large groups, as well as custom project-lead training. In production, Jeff worked for the National Archives and Records Administration in New Jersey, creating a storage facility for government documents for such agencies as, Immigration, Internal Revenue Service, Department of Energy, Social Security, and Housing and Urban Development. Jeff has an undergraduate B.S Aviation Technology degree and has also received a Certified Instructor’s Certificate in AutoCAD and Revit from Autodesk. Jeff has successfully taught hundreds of students in the last five years at Robotech CAD Solutions' ATC and has assisted many clients in up-keeping their CAD and BIM operations by providing quality tech support.
Chris Maeder

Chris E. Maeder, M.S., P.E., CFM
Chris Maeder is a renowned expert in water resource engineering, with over 25 years of application experience in hydrology and hydraulics modeling projects, including urban stormwater drainage, transportation and roadway drainage, storm sewer design, detention pond design, stormwater quality, green infrastructure, watershed management planning, sanitary sewers, and combined sewers. Chris has provided water resource training courses to numerous organizations, including the American Society of Civil Engineers (ASCE), Canadian Water Resource Association (CWRA), U.S. Army Corps of Engineers Districts, NRCS, State DOTs, State DNRs, engineering firms, and universities worldwide.

Yeoanny Venetsanos

Kevin R. Zelinsky, GISP, CMS
Kevin R. Zelinsky is the CADD/GIS Department Manager and Associate with Remington & Vernick Engineers in Haddonfield, New Jersey. He oversees the entire CAD and GIS mapping operation for the firm’s eleven regional offices located throughout Pennsylvania, New Jersey and Delaware. Kevin received his GISP certification from URISA in 2004, earned his Certified Mapping Scientist, GIS/LIS certification from ASPRS in 2006, and received his Professional Certificate in Geomatics from Rutgers University in 2008. He has over thirty years of experience in the civil engineering and cartographic industry, and his municipal maps have been honored with a variety of awards for excellence. Kevin is an accredited teacher of GIS fundamentals to municipal employees in the State of New Jersey and is also a member of the GIS Certification Institute (GISCI) Outreach Committee, which encourages GIS students and professionals to attain the level of education and experience needed for GISP certification.

Lori Miller

Lori E. Miller, M.S.
Lori E. Miller, owner and president of Developing Professionals, provides training, consulting, and coaching services to organizations on leadership and professional development. She has conducted hundreds of seminars and workshops both locally and nationally for corporations, non-profit groups and professional associations. Areas of expertise include soft skills training for professional development, management and leadership development programs, process improvement and model creation, and employee engagement and goal attainment. Lori has over 20 years of management experience in Human Resources and Communications working in Fortune 500 companies, media, and higher education. Her company, Developing Professionals, was awarded Women's Business Enterprise (WBE) certification in New York State in 2006.


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