The business of the Network shall be managed by a Steering Committee consisting of 18 members. Steering Committee members may serve for a maximum of two consecutive three-year terms. In any given year, one-third of the Steering Committee members shall be approved by acclamation at the Annual Meeting except when vacancies may require more than one-third be approved. Individual Steering Committee members shall be selected to represent the following groups: state government, regional planning organizations, municipal government, public utilities, nonprofit non-governmental organizations, academia, private businesses, and 11 members-at-large. View past steering committee members here.
Executive Committee
President
- Jenny Petrario (Marathon Petroleum)
Vice President
- Katie Fiducia (UConn)
Secretary
- Sarah Yommer (Tighe & Bond)
Past President
- Aaron Nash (UConn)
Committee Members
| Municipal rep | Julia Piscioniere |
| Private | Rebecca Davis |
| Member At large | Jenny Petrario |
| Member At large | Nagini Amancherla |
| Member At large | Sarah Yommer |
| Member At large | David Grafton |
| Education | Katie Fiducia |
| Non Profit | Cary Chadwick |
| Utility | Marc Rabideau |
| State Rep | Kavon Harris |
| Regional Rep | Richard Crowther Jr. |
| Member At large | Thad Dymkowski |
| Member At large | Jackie Claver |
| Member At large | Jenna Rudewicz |
| Member At large | Nicholas Trabka |
| Member At large | Jerrid Christoff |
| Member At large | Juliana Holcomb |
| Member At Large | Alexis Freudenberg |
Jenny Petrario – Marathon Petroleum
jpetrario@marathonpetroleum.com
Jenny Petrario is a IT Business Analyst where she is part of the Refining Team implementing the first business wide enterprise environment. Her team is responsible for building, maintaining and developing the geospatial data for the 14 refineries across the US. She has a strong background in enterprise deployment and data governance from her time at CTDOT and the Town of East Hartford.
Sarah Yommer – Tighe & Bond
syommer@tighebond.com
Sarah graduated Westfield State University and received her BS in Environmental Science and Regional Planning with GIS and Applied Geography minors. She has worked at Tighe & Bond for 10 years and is currently a Senior GIS Analyst. Sarah has a strong background in water, sewer, stormwater, and energy utility mapping. She also has worked on a variety of transportation, solar, environmental and municipal projects throughout her time at Tighe & Bond.
David Grafton – Bad Elf
david@bad-elf.com
Dave Grafton serves as the Geospatial Technical Sales Lead at Bad Elf’s West Hartford headquarters, bringing five years of experience in high-accuracy GNSS and GIS integration. He earned his Master’s degree in Geographic Information Systems from Arizona State University and focuses on streamlining field-to-office workflows for a diverse range of clients. Throughout his career, Dave has led numerous technical trainings and workshops to help organizations leverage cutting-edge hardware to enhance their spatial data accuracy. He is dedicated to advancing professional development within the Connecticut GIS Network by providing members with the practical skills needed to navigate evolving industry standards.
Julia Piscioniere – Town of South Windsor
julia.piscioniere@southwindsor-ct.gov
As the GIS Analyst for the Town of South Windsor, CT, Julia manages town data, administers the Esri Enterprise environment, and assists town departments with their GIS needs. She graduated from the University of Michigan in 2023 with her MS in Geospatial Data Science. Prior to that, she graduated from the College of Charleston with her BS in Data Science. She started her career post-graduate school as a government contractor for the National Oceanic and Atmospheric Administration’s Office for Coastal Management where she was mapping sea level rise and historical hurricane tracks. She has dedicated her professional career to using data and geospatial science to help solve problems within her community.
Nagini Amancherla – CTDOT
nagini.amancherla@ct.gov
Nagini Amancherla is a Transportation Planner in the Enterprise GIS Unit at the Connecticut Department of Transportation. She previously worked as a GIS Analyst at the Metropolitan District Commission, Hartford. Nagini holds a Bachelor’s degree in Electronics and Communications Engineering from India and a UNIGIS Professional Academic Certificate from the University of Salzburg, Austria.
She brings diverse international experience across telecommunications, real estate, and electric utility GIS projects in Belgium, Singapore, and India. Nagini is passionate about the GIS domain and enjoys integrating geospatial solutions with cutting-edge technologies.
Rebecca Davis – Sanborn
rdavis@sanborn.com
Rebecca is a Project Manager in the AppGeo division of The Sanborn Map Company. She received a B.S. degree in both Environmental Science and Geography and Regional Planning with a minor in GIS and Applied Geography from Westfield State University. She has been working with Sanborn for over 10 years, focused on GIS services for State and Local Governments throughout the country. She is the Program Manager for the Spatial IQ for MapGeo program within Sanborn. Working on projects from municipal parcel updates, data conversion, to utility data development and maintenance. Her journey at Sanborn started off as a GIS intern, then became a full-time GIS analyst, and is now a project manager.
Richard Crowther – NVCOG
rcrowther@nvcogct.gov
Richard Crowther Jr is the GIS Program Coordinator at the Naugatuck Valley Council of Governments. He completes spatial analyses and creates mapping tools to assist all efforts in regional and municipal transportation planning, environmental planning, housing and land use planning, and economic development. Richard has a Master of Science in Geographic Information Science and Technology from the University of Southern California and is a GISP.
Kavon Harris – CTDOT
kavon.e.harris@ct.gov
Kavon is a resolute and well-rounded professional who served as a U.S. Army veteran. With eight years of firsthand experience as a data analyst, he has produced creditable, written, and oral reports to aid in the planning process for the Department of Defense and Military decision-makers. The individual is passionate about geospatial integrated systems (GIS) and software development, with an ability to computationally think and work with multiple programming languages. Currently, the individual holds the position of Transportation Planner at the State of Connecticut’s Department of Transportation (DOT) and is a volunteer youth basketball coach. Additionally, he is seeking to earn an international certification in data management while earning a B.S. in Computer Technology.
Marc Rabideau – Norwich Public Utilities
marcrabideau@npumail.com
Marc is currently the GIS Analyst at Norwich Public Utilities. He graduated from the University of Rhode Island in 2014 with a B.S. in Environmental Science and Management, and received his GIS certificate from the University of Cincinnati. He recently completed his GISP Certification in 2023. Previously, Marc worked at Liberty Utilities in Massachusetts and EN Engineering in Ohio, and has been in the utility industry for the majority of his career.
Cary Chadwick – UConn CLEAR
cary.chadwick@uconn.edu
Cary is a Geospatial Extension Educator at the Center for Land Use Education and Research (CLEAR) at the University of Connecticut. As the coordinator of the Geospatial Training Program, her role is to provide training and technical assistance to local land use decision makers and other audiences, including NGOs and non-profits, in support of better land use decisions, healthier natural resources, and more resilient communities. Cary is also actively involved in collaborative research projects that integrate geospatial technologies to better manage and understand natural resource systems.
Katie Fiducia
kathryn.fiducia@uconn.edu
Katie is the Research Services Librarian for Geospatial Services at the University of Connecticut Library. She is the coordinator of the library’s vast collection of physical and digitized historical maps and geospatial data, provided through the library’s Map and Geographic Information Center (MAGIC). She is also the subject librarian for Geography and Earth Sciences and works with instructors across the university to integrate GIS and other data visualization tools into their courses. In addition to classroom visits and GIS workshops, she provides consultation services to researchers using GIS and geospatial methods, develops GIS educational materials, and provides general research and reference services.
Juliana Holcomb – CTDOT
juliana.holcomb@ct.gov
Juliana Holcomb received her M.A. in Environmental Science from Central Connecticut State University (CCSU) and a B.S. in Marine Biology from the University of New Hampshire. She has a strong background in water quality and a love for limnology. She is currently a Transportation Planner at the Connecticut Department of Transportation. Juliana started her GIS journey taking Thad Dymkowski’s GIS certificate program at CCSU and has strived to continue learning and apply that knowledge to her job at the DOT.
Jenna Rudewicz – CTDOT
jenna.rudewicz@ct.gov
Jenna works at the Connecticut Department of Transportation within the Enterprise GIS, Visualization, and Analytics Unit. She received her B.S. in Environmental Science and a G.I.S. certification from Central Connecticut State University. Committed to lifelong learning, Jenna continuously seeks to expand her knowledge and skills in both art and technology. By integrating these fields, she aims to find creative solutions to the challenges that affect our communities and environments.
Jerrid Christoff – City of Middletown
jerrid.christoff@middletownct.gov
Jerrid is currently the GIS Technician for the City of Middletown CT. He was hired in Middletown in their first GIS focused position in 2024. His main focus is cleaning data and building their ArcGIS Enterprise platform to create a solid foundation where the city can maximize their efficiency with integrated GIS applications. To start his career, Jerrid spent 7 years in the U.S. Air Force as an Aerospace Ground Equipment Mechanic. He then pivoted his career to GIS and earned his B.S. in Geography with a specialization in GIS at Central Connecticut State University. He then spent 8 years with New England Geosystems where he grew to a GIS Analyst II. While there, he completed parcel updates, created emergency management data, created municipal maps, and built and maintained municipal GIS websites for municipalities across CT, RI, MA, and NY.
Alexis Freudenberg – Tighe & Bond
afreudenberg@tighebond.com
Alexis received her M.S. in Energy and Environmental Management from the University of Connecticut, as well as a GIS Graduate Certificate in 2020. Since then, she has worked at Tighe & Bond as a GIS Technician and now currently as a GIS Analyst. She actively works with a variety of different backgrounds including water, sewer, stormwater, and energy utility mapping and enjoys providing GIS-based solutions to clients.
Nick Trabka- WestCOG
ntrabka@westcog.og
Nick Trabka is a Senior Data Scientist at the Western Connecticut Council of Governments, where he has worked for six years. He is passionate about advancing GIS standards and enhancing efficiency. Nick actively contributes to the CAMA Standards Working Group and plays a key role in the Parcel Improvement Process. He holds a Bachelor of Science in Geography from the University of Connecticut, where he focused on urban planning and GIS.
Jackie Claver – GZA GeoEnvironmental Inc.
jacquelyn.claver@gza.com
Jackie Claver is an Assistant Project Manager at GZA, and a member of the company’s GIS leadership team. She contributes to projects in coastal resiliency, powerline rights of way, public parks, solar development, residential/commercial development, and airport redevelopment. Jackie specializes in GIS, including cartographic design and production, database management, spatial analysis, as well as field data collection for asset management and ecological/environmental assessments. She holds a B.S. in Wildlife Biology and M.S. in Environmental Science from the University of Rhode Island, along with a Graduate Certificate in GIS. Jackie earned her GISP certification in 2024.