Nulca Leadership


Josh Hinrichs

Mr. Hinrichs has been President of ELM Locating since 2012. Prior to that he was Chief Operations Officer for several years. Josh has been employed by ELM Locating & Utility Services since September of 2001. He earned a B.S. in Business Administration from the University of Montana. Following graduation, Josh joined the Utility industry as an employee of 3 Rivers Telephone Cooperative, the largest of its kind in the state of Montana. He also spent several years with Montana Rail Link and its parent company, Washington Corporations before joining ELM. In addition to currently sitting on the Board of Directors for NULCA, Josh actively participates in the Montana Utility Coordinating Council (MUCC) and various national and regional CGA groups.

Mike Marrero
Vice President

Mr. Marrero serves as a Regional Director for USIC, LLC. USIC is America's leading provider of utility infrastructure locating services. Mike has over 20 years of utility locating experience in the US and Canada. Mike is an active member of the CGA where he is a member of the Education and Marketing Committees. Mike is also involved in managing the International Utility Locate Rodeo as master judge. Mike served in the United States Army Reserves for 6 years as a Medic and is a veteran of Desert Storm.

Bill Deckard

Mr. Deckard is a 32 year veteran of the paint and coatings industry. He joined The Sherwin Williams Company in 1991 and has held numerous positions. He became involved with the Krylon Industrial Group in 2005 partnering with customers in the underground utility marking industry.

Ron Peterson
Executive Director

Ron Peterson is the current Executive Director of Nulca. Ron has been involved in the industry for over 20 years with extensive experience in locating and damage prevention. He has been involved with NULCA since 2003 as well as with the Common Ground Alliance since its inception. Ron was the recipient of the 2007 Ron Olitsky Award given each year to the CGA’s “most valuable member” and the 2008 NUCA Associate of the Year for his work in damage prevention.

Greg Jeffries
Past President

Mr. Jeffries is the previous President of NULCA and a member of the Board Executive Committee. Mr. Jeffries is a 30-year industry veteran with extensive experience in utility, road & bridge construction, surveying, subsurface utility engineering and utility location services. Mr. Jeffries is extensively involved with several One Call Centers and related One Call Legislation & Underground Contractor Issues. Mr. Jeffries is a multi-state licensed utility contractor and is active with various NULCA groups. Mr. Jeffries is a frequent contributor to industry publications and is often called upon for expert testimony in utility damage incidents. Mr. Jeffries is SUE/UC Department Manager for the Dallas Region, North & West Texas, Oklahoma, and Arkansas for Surveying And Mapping LLC (SAM), Dallas, Texas.


Dan Bradley

Mr. Bradley has been involved in the Underground Utility Locating/Damage Prevention industry for over 30 years. In 1979 he was involved in the start up of one of the first contract locating projects in the country; a Mountain Bell project in Arizona. Since then he has served at all levels of the business from technician to the President of a major national utility locating company. Dan is currently one of the owners and the President/CEO of Safe Site Utility Services LLC in Phoenix, AZ. Safe Site provides private utility locating and subsurface utility investigation services. Dan has been involved with NULCA since its inception as a Board Member, and represents the locating industry as a co-primary on the CGA Best Practice Committee. Dan was a co-chair of the committee that wrote the Locating and Marking Chapter of the Best Practices Study and served on the original Board of Directors of the Common Ground Alliance.

Mark Drew

Mark Drew Educated in the UK, has worked in the utility Test Equipment market all his working life. He has founded, developed and managed both domestic and international sales teams, and is a leading expert in outside plant test instrumentation. With Mr. Hoare and two others, he founded Vivax in 2005.

Drew Greer

Mr. Greer has extensive experience in the utility locating industry. His professional history includes positions in Civil Engineering, Utility Locating Technician, and Contract Locating local and corporate management. He also worked many years as a trusted equipment supplier to Utility Companies, Excavators, and the Contract Locating community.

Christopher Koch

Christopher Koch is President of ZoneOne Locating and has been in the locating business since 1996. He's worked as a field technician, supervisor, manager, trainer, and consultant. From 2004-2006, he was head of safety and training for UtiliQuest. A member of NULCA's Executive Board for over ten years, Koch has served as Secretary, Vice-President, and President. In 2009, he co-chaired the committee that revised the NULCA Competency Standard for Locate Technicians. He has published over twenty articles on damage prevention and is a frequent speaker on damage prevention issues. He holds a bachelors degree with honors from St. Cloud State University and a Graduate Certificate in Human Resource Management from Capella University.

Brett Ramsey

Mr. Ramsey has over 20 years experience in the contract locating industry with extensive experience ranging from field supervision, training, damage investigation and claims litigation, and has served on the Virginia State Corporation Commission’s Advisory Committee. Mr. Ramsey joined Accumark in 2012 as its Vice President of Operations.

Dan Florenzo

Dan currently is the President of One Call Concepts, Inc. Previously, he has served as the Chief Financial Officer and the company Controller. Dan has spent most of his career in underground utility damage prevention having joined the company in 1988. His previous experience includes time in public accounting and as Controller of a small public corporation. He has a BS in accounting and is a Certified Public Accountant.

John Walko

John Walko came out of the high tech industrial sales field to start Excavac Corp in 1989, as a custom manufacturer of vacuum excavation systems and related tooling. He holds broad ranging patents regarding processes and tools used in that industry. John represented the locate industry on the Executive Committee for the original Common Ground Report in 1998-1999, making sure that NULCA had a strong voice in the proceedings. He was instrumental in forming the Transition Board for the creation of the Common Ground Alliance, and has served on several CGA committees over the years. He remains active on the NULCA Board., and remains an avid supporter of the CGA.

Casey McCorquodale

Casey McCorquodale serves as the National Key Accounts Manager for Radiodetection, working directly with line locate contractors. She is a Summa Cum Laude graduate from the University of Alabama with a BS in Business Management. She received her Master of Business Administration from the University of Mobile, also as a Summa Cum Laude graduate. Her background includes advertising, sales/marketing, as well as extensive entrepreneurial experience, having owned several businesses in the arts and entertainment industry. She comes to Radiodetection from employment as the Business Development Director of Payne Pipeline Services, a pipeline and environmental consulting firm with primary focus in the oil and gas field. She was also tasked as the Project Manager largely on projects dealing with Public Awareness and Damage Prevention and conducted Public Awareness seminars throughout the Southeast. Casey resides in Mobile, Alabama.

Tim Kowdys

Tim Kowdys currently serves as the Chief Marketing Officer for Olameter Corp. Previous to Olameter he managed the Canada-wide operations of Promark-Telecon, one of Canada’s largest locate companies. He has extensive experience in operations and marketing of utility services in both the US and Canada. Tim has held numerous executive roles in the technology industry, with responsibility for North American and global operations. He is an advocate of technological change in the utility services and damage prevention industry, and has implemented new methods and technologies to the benefit of all stakeholders. Tim holds an Engineering degree from the University of Waterloo, MBA from University of Ottawa and lives in Toronto, Canada.

Dean Parker - Legal Counsel

Mr. Parker joined Hinshaw & Culbertson LLP in June 1979. He is the Leader of one of the firm’s two Business Transactions Departments. In that capacity, he provides guidance for the group's attorneys in a number of practice groups, including Commercial Transactions; Real Estate & Construction; Special Assets, Bankruptcy & Reorganization; and Estate Planning. He is a past regional director.

Matthew Dragon

For the last two years as VP of Sales, Matthew Dragon has been the vision behind sales efforts at GPRS the largest private utility location company in the US. With a passion for building his team Matthew has created a sales focused culture centered around GPRS’s Subsurface Investigation Methodology (SIM). SIM represents expertise in technology blended with the on-site experience accumulated by GPRS since its inception in 2001.
Matthew has served on the Board of Directors for the Concrete Sawing and Drilling Association and has published multiple articles in the CSDA’s trade magazine, “Concrete Openings”. He has presented at conferences regarding the GPR applications of utility location and concrete scanning. Most recently Matt presented at the ASCE Construction Institute Conference, “Stop Hitting Underground Utilities”, an introduction to the SIM specification.
Since 2007 Matthew has been an educator and advocate for the GPR technology. His experience includes prior sales and management roles with the two top manufacturers of GPR equipment. His 20 year history in technical sales represents a diverse mix of products and services from industrial wastewater evaporators to hazardous waste disposal. Matthew’s greatest asset is his ability to coach and grow an individual’s sales skills according to their own style and personality. Matthew attended the University of NH, Mechanical Engineering program.

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