SESI Team

Board of Directors

Stephen A. Sherk, P.E.
President/CEO & Director of Civil Engineering

Joined SESI in 1998

Responsibilities:

As Director of Civil Engineering, Steve is responsible for overall project management as well as design activities, including site layout, site grading, storm water facility design, sanitary sewer design, water distribution design, erosion and sediment pollution control planning, bridge and highway design. Steve has performed numerous flood studies and dam breach analyses. Steve has also prepared a variety of state and federal permit applications, including National Pollutant Discharge Elimination System (NPDES), Municipal Separate Storm Sewer System (MS4), Highway Occupancy Permit (HOP), Floodway Encroachment and General Permit applications.

Steve is a consulting engineer for several municipalities. In this capacity, Steve provides a number of services, including, zoning enforcement, subdivision and land development plan reviews, publics works consulting, construction management, grant application preparation, parks and recreation planning, and administration of MS4 programs.

As the Director of Human Resources, Steve is responsible for planning, directing, and coordinating the firm’s various human resource functions such as employee compensation, benefits, recruitment, personnel policies, and regulatory compliance.

Education:

  • Bachelor of Science in Civil Engineering – The Pennsylvania State University (1996)
  • Master of Civil Engineering – North Carolina State University (1998)

Designations & Licenses:

  • Professional Engineer, PA License PE057447

Affiliations:

  • Tau Beta Pi (National Engineering Honor Society)
  • Chi Epsilon (National Civil Engineering Honor Society)
  • American Society of Civil Engineers
  • Falcon Foundation Board of Trustees (Past Member)
  • Rotary Club International
  • Pennsylvania State Association of Township Supervisors – Engineer Associates
Scott M. Rights, P.E.
Vice President/COO & Director of Water and Wastewater Engineering

Joined SESI in 2000

Responsibilities:

Scott has over 40 years experience in the water and wastewater consulting industry. As the Director of Water and Wastewater Engineering, Scott oversees the company’s water and wastewater projects and provides expertise in water and wastewater treatment plan design, water distribution and wastewater collection system design, planning and feasibility studies, project financing, and user fee and tapping fee studies. In addition, Scott has considerable experience in construction administration having commenced his career as a Resident Engineer overseeing construction work on site.

As the company’s COO, Scott oversees the company’s day to day operations working with a seven (7) member management team. In addition, he oversees the company’s financials and is responsible for leading the company’s growth efforts.

Education:

  • BS Environmental Engineering, Pennsylvania State University, University Park, PA

Professional Licenses:

  • Professional Engineer, PA

Affiliations:

  • Pennsylvania Municipal Authorities Association (PMAA)
  • Water Environment Federation (WEF)
  • Chairman of Strategic Planning Committee, St. Luke Lutheran Church, Schaefferstown, PA
  • Adult Class Sunday School Teacher, St. Luke Lutheran Church, Schaefferstown, PA
Jason E. Chernich, P.L.S.
Director of Surveying

Joined SESI in 2001

Responsibilities:

As Director of Surveying, Jason is responsible for overseeing all survey related work at SESI. He is also project manager for projects such as minor subdivision plans, boundary surveying, construction layout, ALTA/ACSM surveys, lot addition plans, elevation certificates and as-built surveys.

Jason began his career in 1995.  He has worked for firms located in Harrisburg and Lancaster, PA before joining SESI.

As the Director of Technology, Jason is a member of the firm’s management team and is responsible for managing the firms’ computers, software, website, copiers, printers, plotters, telephones, cell phones and all other technological resources.

Education:

  • Associates Degree in Computer Aided Drafting and Design – Thompson Institute (1995)

Designations & Licenses:

  • Professional Land Surveyor, PA License SU-075409

Affiliations:

  • Pennsylvania Society of Land Surveyors
Michael F. Lusaitis, P.E.
Project Engineer

Joined SESI in 2014

Responsibilities:

Design and project coordination related to the development of commercial, residential, and institutional sites.  Responsibilities include project management, project scheduling and budgeting, analysis of zoning, subdivision, and stormwater management ordinances for the purposes of processing subdivision and land development plans, project representation at public meetings, preparation of: subdivision and land development drawings, post construction stormwater management plans and calculations, erosion and sedimentation pollution control plans and calculations, National Pollutant Discharge Elimination System permits, sewage facilities planning modules, PennDOT Highway Occupancy Permits, and PADEP Chapter 105 Permits.  Works closely with various municipal staff, water and sewer authorities, local conservation districts, state agencies, utility companies, county planning agencies, reviewing engineers, sub consultants (wetlands, traffic, geotechnical, etc.), and attorneys in meeting client goals on time, under budget, and to the highest level of quality.

Education:

  • Bachelor of Science in Civil Engineering – The Pennsylvania State University (2013)

Designations & Licenses:

  • Professional Engineer, PA

Affiliations:

  • American Society of Civil Engineers (ASCE)
Chad D. Smith
Project Manager

Joined SESI in 2001

Responsibilities

Include project management, project scheduling and budgeting, analysis of zoning, subdivision, and stormwater management ordinances for the purposes of processing subdivision and land development plans, project representation at public meetings, preparation of: subdivision and land development drawings, post construction stormwater management plans and calculations, erosion and sedimentation pollution control plans and calculations, National Pollutant Discharge Elimination System (NPDES) permits, sewage facilities planning modules, PennDOT Highway Occupancy Permits (HOP), and PADEP Chapter 105 Permits. Chad Smith works closely with various municipal staff, water and sewer authorities, local conservation districts, state agencies, utility companies, county planning agencies, and other professionals in meeting client goals on time, under budget, and to the highest level of quality.

Education

Associates Degree in Computer Aided Drafting & Design – Thompson Institute (2002)

Affiliations

  • Community of Lebanon Associate Member
  • Lebanon Lions Club, Vice President

Management Team

Keegan Flahive
Drone Services Manager / Chief Pilot
Alex Kinzey
Project Manager
Mandy Sherk, C.P.A.
Business Manager

In her role as Business Manager, Mandy oversees SESI’s accounting, human resources, and marketing functions. She provides financial and operational leadership through budgeting, financial reporting, compliance oversight, and coordination with external advisors. Mandy leads human capital and marketing strategy to support organizational stability, sustainable growth, and long-term enterprise value. She works closely with firm leadership to enhance operational efficiency, manage risk, and ensure alignment between business practices and strategic objectives.

Mike O'Donnell, P.L.S.
Survey Project Manager

Projects Team

Thomas D. Black
Survey Technician
Darryl Grimes
Construction Observer
Jarret Groshek, E.I.T.
Engineering Associate
Travis M. Harrison
CAD Technician
Darren Heisey, E.I.T.
Engineering Associate/MS4 Coordinator
Ethan S. Hoover
Construction Observer/Engineering Associate
John Karinch, E.I.T.
Engineering Associate
Alex Kauffman, E.I.T.
Engineering Associate
John Matthews
Civil Engineering Design Drafter
Scott Salem
Survey Crew Chief
Joshua Skinner
Drone Pilot / CAD Technician
Gerik Urban, E.I.T.
Engineering Associate
David S. Yiengst
Survey Crew Chief

Administrative Team

Sheri L. Flowers
Administrative Professional
Kristen S. Yeagley
Administrative Professional