Polar Tank RSM
Every Polar trailer is built by a high-integrity team and backed by the support of our dedicated team of Regional Sales Managers. With over 200+ years of combined sales experience, these professionals work with you to understand your unique needs and specify trailers proven for the mission. Customers trust Polar as a partner in their ongoing success.

Courtney Hill - Northern Regional Sales Manager
O: 531-250-5679 | chill@polartank.com
Territory: Wyoming, Colorado, South Dakota, Nebraska, Kansas, Iowa (west/central), Missouri
Courtney has 25 years of experience in the tank trailer and trucking industry, and one year of experience with Polar Tank. Courtney studied Business Management at Wayne State College. Outside of work, he participates in charity events for Make-A-Wish Foundation and Wounded Warriors Project, and enjoys golfing and fixing semi-trailers.
Courtney Hill - Northern Regional Sales Manager
O: 531-250-5679 | chill@polartank.com
Territory: Wyoming, Colorado, South Dakota, Nebraska, Kansas, Iowa (west/central), Missouri
Courtney has 25 years of experience in the tank trailer and trucking industry, and one year of experience with Polar Tank. Courtney studied Business Management at Wayne State College. Outside of work, he participates in charity events for Make-A-Wish Foundation and Wounded Warriors Project, and enjoys golfing and fixing semi-trailers.
Dave Carrier - Canadian Director of Operations
C: (403) 805-3337 | davecarrier@polarcorp.com
Territory: Canada
Dave joined the Polar family back in 2010 after spending 24 years with a Canadian tank manufacturer. With over 36 years in the industry, Dave has worked in roles as Branch Manager, VP of Sales and Regional Manager. He is currently based out of Calgary, Alberta, and covers the entire Canadian region—coast to coast.
Dave Carrier - Canadian Director of Operations
C: (403) 805-3337 | davecarrier@polarcorp.com
Territory: Canada
Dave joined the Polar family back in 2010 after spending 24 years with a Canadian tank manufacturer. With over 36 years in the industry, Dave has worked in roles as Branch Manager, VP of Sales and Regional Manager. He is currently based out of Calgary, Alberta, and covers the entire Canadian region—coast to coast.

Guy Mares - Northeastern Regional Sales Manager
O: (320) 746-3485 | C: 320-267-9468 | gmares@EnTransInternational.com
Territory: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, Pennsylvania, New Jersey, Rhode Island, Maryland, Delaware, West Virginia, Virginia, Ohio (east)
Guy has been with Polar Tank for 24 years, he spent eight of those years in engineering and 16 in sales. Overall, he has 30 years of experience in the trailer industry. Guy holds an Associate’s degree in drafting and design. In his free time, Guy likes working on cars, woodworking and taking bike trips.

Guy Mares - Northeastern Regional Sales Manager
O: (320) 746-3485 | C: 320-267-9468 | gmares@EnTransInternational.com
Territory: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, Pennsylvania, New Jersey, Rhode Island, Maryland, Delaware, West Virginia, Virginia, Ohio (east)
Guy has been with Polar Tank for 24 years, he spent eight of those years in engineering and 16 in sales. Overall, he has 30 years of experience in the trailer industry. Guy holds an Associate’s degree in drafting and design. In his free time, Guy likes working on cars, woodworking and taking bike trips.

John Koll - Western Regional Sales Manager
O: 320-746-3481 | C: 320-267-9466 | johnkoll@polarcorp.com
Territory: Minnesota, Montana, North Dakota, Washington, Oregon, Idaho, California, Nevada, Utah, Arizona, New Mexico, Hawaii, Alaska
John has 35 years of experience at Polar Tank. John holds an Associate’s degree in sales and management. Outside of work he enjoys spending time with his two grandsons, being outdoors, fishing and watching football.

John Koll - Western Regional Sales Manager
O: 320-746-3481 | C: 320-267-9466 | johnkoll@polarcorp.com
Territory: Minnesota, Montana, North Dakota, Washington, Oregon, Idaho, California, Nevada, Utah, Arizona, New Mexico, Hawaii, Alaska
John has 35 years of experience at Polar Tank. John holds an Associate’s degree in sales and management. Outside of work he enjoys spending time with his two grandsons, being outdoors, fishing and watching football.
Rick Ralph - Upper Midwest Regional Sales Manager
C: (320) 267-9471 | rickralph@polarcorp.com
Territory: Wisconsin, Iowa (east), Illinois, Michigan, Indiana, Ohio (west/central)
Rick has worked for Polar Tank for 27 years. Before joining the Polar Tank family, Rick worked in the airline industry. He attended Southeastern Academy in Kissimmee, FL. Rick’s hobbies include hunting and fishing.
Rick Ralph - Upper Midwest Regional Sales Manager
C: (320) 267-9471 | rickralph@polarcorp.com
Territory: Wisconsin, Iowa (east), Illinois, Michigan, Indiana, Ohio (west/central)
Rick has worked for Polar Tank for 27 years. Before joining the Polar Tank family, Rick worked in the airline industry. He attended Southeastern Academy in Kissimmee, FL. Rick’s hobbies include hunting and fishing.

Trent Eubanks - Southern Central Regional Sales Manager
O: 320-761-5361 | C: 320-761-5361 | trenteubanks@polarcorp.com
Territory: Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Tennessee, Kentucky
Trent has been with Polar Tank since 2015. He has 27 years of experience in the industry, before coming to Polar Tank he worked with a large chemical fleet in their maintenance department. Trent has a degree in mechanical engineering from Mississippi State University.

Trent Eubanks - Southern Central Regional Sales Manager
O: 320-761-5361 | C: 320-761-5361 | trenteubanks@polarcorp.com
Territory: Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Tennessee, Kentucky
Trent has been with Polar Tank since 2015. He has 27 years of experience in the industry, before coming to Polar Tank he worked with a large chemical fleet in their maintenance department. Trent has a degree in mechanical engineering from Mississippi State University.

Mark Riggs - Director of Business Development
C: (423) 584-9480 | mriggs@entransInternational.com
Territory: Michigan
Mark Riggs has held numerous positions with the company in engineering, quality and sales since starting in 1995 on the shop floor as a general laborer. Some of these positions include welder, Quality Manager, Director of Technical Service and Quality, and most recently Director of Strategic Accounts. Mark holds an associate’s degree in Business Management from Cleveland State Community College. Mark graduated in December 2022 with a bachelor’s degree in Business Management from Tennessee Wesleyan University and entered Tennessee Wesleyan University’s MBA program in January 2023.

Mark Riggs - Director of Business Development
C: (423) 584-9480 | mriggs@entransInternational.com
Territory: Michigan
Mark Riggs has held numerous positions with the company in engineering, quality and sales since starting in 1995 on the shop floor as a general laborer. Some of these positions include welder, Quality Manager, Director of Technical Service and Quality, and most recently Director of Strategic Accounts. Mark holds an associate’s degree in Business Management from Cleveland State Community College. Mark graduated in December 2022 with a bachelor’s degree in Business Management from Tennessee Wesleyan University and entered Tennessee Wesleyan University’s MBA program in January 2023.


Oscar Vargas - Area Manager
O: 407-382-8108 | C: 407-925-5464 | ovargas@polartank.com
Territory: Mexico, Latin America & Caribbean
Oscar has been with the EnTrans family for 25 years. Prior to joining the industry, he owned a company in Costa Rica where he managed a team of teachers that taught English as a second language to business professionals. Oscar also served in the United States Air Force for the B-2 Stealth Bomber Squadron and was awarded two national defense medals. Oscar is fluent in English and Spanish.
Oscar Vargas - Area Manager
O: 407-382-8108 | C: 407-925-5464 | ovargas@polartank.com
Territory: Mexico, Latin America & Caribbean
Oscar has been with the EnTrans family for 25 years. Prior to joining the industry, he owned a company in Costa Rica where he managed a team of teachers that taught English as a second language to business professionals. Oscar also served in the United States Air Force for the B-2 Stealth Bomber Squadron and was awarded two national defense medals. Oscar is fluent in English and Spanish.