T.G. Miller, P.C. follows a team approach, encouraging close working relationships with clients to deliver high-quality workmanship regardless of project size and budget. Our licensed staff includes four Professional Engineers, three Professional Land Surveyors and one LEED Accredited Professional.

All of our professionals reside locally and have a keen awareness of local concerns and government practices. We recognize the need for accessible civil engineering and land surveying services and are able to address client concerns in a timely manner.

We are a local business compromised of local people committed to providing quality service to our community.

T.G. Miller, P.C. follows a team approach, encouraging close working relationships with clients to deliver high-quality workmanship regardless of project size and budget. Our licensed staff includes five Professional Engineers, two Professional Land Surveyors and one LEED Accredited Professional.

We are a local business and local people committed to providing quality service to our community.

Team TGM

Click staff name for contact information and a little personal info.

Owen Barden

Owen B. Barden, P.E.

Project Manager

obb@tgmillerpc.com

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As a Project Manager Owen is responsible for performing Stormwater Pollution Prevention Plan (SWPPP) and construction inspections, preparing grading and drainage plans, and performing calculations for the design of stormwater management practices.

Owen lives locally, is an avid outdoorsman, and can be found on most evenings and weekends boating, hiking, hunting, or fishing. Owen holds a Bachelor of Science degree in Civil and Environmental Engineering from Clarkson University and has been employed by the firm since June, 2018.

Little Known Fact: Owen is an avid hockey player, who has played and coached in the Ithaca area most of his life.

Rachel Barhhart

Rachael L. Barnhart

Surveyor’s Apprentice

rlb@tgmillerpc.com

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Rachel Barhhart is currently a Surveyor’s Apprentice. Rachel is from Candor, NY where she graduated high school in 2015 and then attended TC3 in 2015-2016. She majored in Environmental Studies and transferred to SUNY ESF’s Ranger School in Wanakena, NY, where she graduated in 2017 with an Applied Associate’s in Land Surveying. After graduating, Rachel worked for Delta Engineers for two years as a Survey Technician.

Rachel’s belief is that hard work pays off, but she believes the most in team work. Team work leads to the road of success. In her spare time, she enjoys being in the outdoors hunting, fishing, practicing archery, operating heavy equipment and competing in woodsmen competitions. Since she was young, she has had a strong love for the knowledge of dendrology which stems from working in the family business, Tri-County Tree Service.

Rachael has been employed with the firm since 2019.

Little Known Fact: Rachel was operating a chainsaw at age 8!

Justin Blomquist

Justin S. Blomquist

Surveyor’s Apprentice

jb@tgmillerpc.com

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Justin’s activities include research, field survey and mapping activities to produce boundary, topographic and construction surveys using the newest cutting- edge technology for today’s ever changing demands in surveying.

Justin has extensive experience in deed research, abstract review, boundary survey, topographical and hydrographic mapping, tree surveying, construction layout services, forensic surveying, GPS control network analysis for aerial topographic mapping and establishing high accuracy control and GIS. Justin is extensively knowledgeable in using CAD for drafting and analyzing property lines, deeds, and preparing survey maps.

He has gained experience through Survey Party Chief and Crew Chief and Draftsman positions at a surveying firm in Venice, Florida and Ithaca, New York.

He has been employed with the firm since July 2007.

Little Known Fact: Justin once lived on Marathon Island in the Florida Keys.

Darrin Brock

Darrin Brock, L.S.

Licensed Surveyor/Crew Chief

db@tgmillerpc.com

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As Crew Chief, Darrin is responsible for coordinating the research, field survey and mapping activities of the survey crew to produce boundary, topographic and construction surveys. He has prepared topographic surveys to aid consultants in the design of numerous large-scale academic, commercial and residential projects in Tompkins County and the surrounding Finger Lakes Region.

Darrin has extensive experience generating precision construction layout data from architectural and engineering design documents and routinely interacts with owners, designers and construction managers to ensure accuracy. He has also produced topographic and construction layout surveys for several stream corridor stabilization projects including those on Six Mile Creek and Buffalo Road in the Town of Caroline and Salmon Creek in the Town of Lansing.

Darrin holds an Associate of Applied Science degree in Surveying Engineering Technology from State University of New York at Alfred. He is a licensed Land Surveyor in the State of New York and a member of New York State Association of Professional Land Surveyors. He has been employed with the firm since 1990.

Little Known Fact: Darrin is an avid fisherman.

Jacqueline Dresser

Jacqueline L. Dresser, L.S.

Licensed Surveyor, and Crew Chief

jld@tgmillerpc.com

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After apprenticing with T.G. Miller, P.C. during high school and college, Jackie earned a Bachelor of Science degree in Land Surveying from Alfred State College alongside CIT certification after passing the NCEES Fundamentals of Surveying exam. Putting her background in measuring and mapping to work, Jackie transitioned into the Grape and Wine industry.

She developed a precision viticulture program at an estate winery with guidance from Cornell University, who went on to recruit her for a USDA grant funded research project, Efficient Vineyard. Her work helping grape growers collect, analyze, and apply spatial data to their agricultural practices took her across the country and the globe. Jackie is thrilled to bring the skills and experience she has gained back to her community and to TGM.

She has been employed with the firm since 2019.

Little Known Fact: While living in the UK, Jackie traveled with a circus as a fire-performer.

Lee Dresser

Lee Dresser, L.S.

Vice President/Principal Surveyor
ld@tgmillerpc.com
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Lee manages the Surveying Division and is involved in all phases necessary for the preparation of certified boundary and topographic surveys. This includes gathering of field data, researching abstracts of title, determination of property lines and final drafting of survey maps.

He has worked on many large contracts involving topographic mapping, layout of municipal water and sewer mains, design and layout of roadways and construction layout for building foundation systems. He has been employed with the firm since 1986.

Lee holds an Associate of Applied Science degree in Agricultural Science from the State University of New York at Cobleskill and a Bachelor of Science degree in Agricultural Engineering from Cornell University. He is a Registered Land Surveyor in New York and a member of the New York State Association of Professional Land Surveyors.

Little Known Fact: Lee drove his motorcycle across the United States prior to starting at T.G. Miller, P.C.

Marcus Haider

Construction Administrator
MWH@tgmillerpc.com
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As a Construction Administrator, Marcus is responsible for assisting in the development of plans and specifications for projects through constructability reviews and cost estimates. Marcus also serves as a conduit for communication between engineers and contractors by reviewing submittals, answering RFI’s, performing scheduled SWPPP inspections, and conducting field observations during the construction phases of projects. Marcus has been employed by the firm since May of 2022, and comes in everyday eager to learn under the guidance of senior team members.

Little Known Fact: Marcus is an avid pool player and is part of the APA pool league.

Dondi Harner

Donald (Dondi) M. Harner, P.E., LEED® A.P., C.P.E.S.C.

Vice President/Principal Engineer
dmh@tgmillerpc.com
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As a Principal Engineer, Dondi is responsible for managing and coordinating the design and development of municipal, commercial, and educational projects for site, transportation, infrastructure, and permit attainment. His engineering responsibilities range from feasibility studies and analyses to final design, 3D modeling, and construction oversight.

Dondi has worked on numerous LEED® (Leadership in Energy and Environmental Design) projects for private, municipal and institutional sites. His familiarity with sustainable design and experience in stormwater modeling has led to a coordinated approach to stormwater management. Recent designs have incorporated stormwater management practices into tightly clustered intuitional settings while maintaining aesthetics and functional activity space.

Dondi holds a Bachelor of Science from Rochester Institute of Technology and is a licensed Professional Engineer in New York and Pennsylvania. He has been employed by the firm since 2014.

Little Known Fact: Dondi has experienced sustainable living first hand by designing and building an off-grid tiny home. He and his wife lived in it happily for three years while filling their spare time with outdoor adventures. Now he and his wife enjoy raising their three boys.

David A. Herrick

David Herrick, P.E.

President and CEO/Principal Engineer

dah@tgmillerpc.com

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David has represented the firm as Principal Engineer for numerous municipal infrastructure and private sector land development projects within the Finger Lakes Region. His capabilities have been utilized for a large number of municipal water and sanitary sewer planning initiatives, infrastructure expansion and replacement projects, stream corridor restoration and stabilization improvements, and MS4 stormwater management plan reviews.

David holds a Bachelor of Science degree in Civil and Environmental Engineering from Clarkson University and is a licensed Professional Engineer in New York State. He is a member of the Tompkins County Planning Advisory Board – Infrastructure and Utilities, Firm Member and past President of American Council of Engineering Companies - Southern Tier and Associate Member of American Society of Civil Engineers - Ithaca Chapter. David has been employed by the firm since 1983.

Little Known Fact: David is a Private Pilot with Instrument Rating. He has enjoyed many aerial adventures with family and friends in a Piper Cherokee ‘Six’.

Sawyer Johnson

Surveyor's Apprentice
shj@tgmillerpc.com
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Sawyer Johnson is currently a Surveyor’s Apprentice, who’s duties include deed research, file organization, and assistance with anything that needs done in the office. He looks forward to learning more about the area and community while contributing to surveying efforts. He went to The University of Rochester, where he earned a B.S. in the field of Environmental Science in 2016. During his university studies, Sawyer also investigated methane dynamics of the Great Lakes in Dr. John Kessler’s Oceanography Lab.

Little Known Fact: Prior to working with TG Miller, Sawyer raised sea urchins for the State of Hawaii as a biocontrol method for invasive seaweed.

Patrick King

Patrick King, E.I.T, CPESC I.T.

Civil Engineer
pjk@tgmillerpc.com
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Patrick King joined the firm in June 2021 as a Civil Engineer. Patrick is from Newfield, New York where he graduated high school in 2017. During his senior year of high school, he participated in the New Visions Life Sciences program at Cornell where he did research and interned with Tompkins County Soil and Water Conservation District (SWCD). This experience led him to major in Environmental Resources Engineering with a focus on Water Resources at SUNY ESF. During his college breaks, Patrick worked as a Conservation Technician at SWCD and on the side for his father’s concrete construction company.

Patrick completed his Bachelor of Science Environmental Resources Engineering from SUNY ESF in 2021. Patrick serves as a member on the Tompkins County Water Resources Council, and is an FAA certified drone pilot. In his spare time, he enjoys trail running, fishing, and hiking in the Adirondacks.

Little Known Fact: Patrick has completed five marathons, including one 40-mile ultramarathon.

Michael Lambert

Surveyor's Apprentice
msl@tgmillerpc.com
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Michael Lambert is currently a Surveyor’s Apprentice, who assists in deed research, file organization, and more since joining the firm in 2024. Michael was born and grew up in the state of Maine where he spent most of his life prior to moving to Ithaca, NY. After completing a two-year degree in Construction and Environmental Technology, he developed a passion for land surveying while completing a micro-credential in Surveying at Tompkins Cortland Community College. Especially drawn to the advancement of survey work using drone technology, he attained his Part 107 Commercial Drone Pilot license.

Before joining TGM Michael owned and operated a successful carpentry business in Maine and Upstate NY, making a living as a skilled woodworker and craftsman. His favorite project to date has been building his own home in Freeville and developing his property alongside his wife during his free time.

Little Known Fact: Mike shares the exact birth date as Tom Brady and is very proud to be a New England Patriots fan in Upstate NY.

Karen Poole

Finance Manager
kdp@tgmillerpc.com
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As Finance Manager, Karen is involved with the day-to-day financial and accounting processes in the firm, including managing the payroll. She also provides management information and analysis for the Officers to assist in decision- making. Her role encompasses reviewing the systems and procedures around reporting and project management to facilitate improvements and enhancements to the business operations. Karen has been utilizing her skills to assist the firm since 2022.

Little Known Fact: Karen is passionate about karaoke and is never afraid to step up to the mic.

Frank Santelli

Frank L. Santelli, P.E.

Vice President/Project Manager
fls@tgmillerpc.com
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As Principal Engineer, Frank has completed numerous projects for our institutional clients, which include Cornell University, Ithaca College, Wells College, and Cayuga Medical Center. Additionally, he has overseen the design of site and utility infrastructure for local public works projects and private sector developments.

Frank is fluent in the current standards and regulatory requirements for the management of stormwater runoff. He couples his engineering knowledge with advanced engineering computer software to study and design water distribution systems, pump stations, sanitary sewer systems, drainage facilities, sewage disposal systems and roadways. He has recently provided services for the planning, design, permitting and construction of site paving, grading, drainage, utility and stormwater management improvements for several major projects for Cornell University.

Frank holds a Bachelor of Science degree from the University of Vermont and is a licensed Professional Engineer in New York State. He has been employed by the firm since 2003.

Little Known Fact: Frank lived in Tours, France in his senior year of high school.

Mitchell Westfield

Mitchell Westfield, E.I.T.

Civil Engineer
mpw@tgmillerpc.com
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Mitchell Westfield joined the firm in 2023 as a Civil Engineer. Mitchell is from northern Kentucky and moved to Ithaca in 2023. Mitchell completed his Bachelors of Science in Civil and Environmental Engineering in 2021 and his Masters of Engineering in Civil and Environmental Engineering with a focus in Water Resources in 2022, both from the University of Louisville. Mitchell previously worked for USACE Louisville District, and has previous experience in civil site design, hydrology and hydrologic design, water resources, and risk management.

Little Known Fact: Mitchell enjoys competing in gaming competitions in his spare time.