Management Profile

Ross Environmental Services, Inc. has been a pioneer in hazardous and industrial waste management since 1949. The company is led by an experienced and highly qualified leadership team.

Bill Cromling III

William E. Cromling III, President, RTS (Ownership)

Bill Cromling III has spent more than 20 years with Ross Transportation Services, Inc. A local graduate, he served several years in the United States Army, serving in Germany, prior to joining Ross Transportation in 1992. He joined the company as a mechanic and later held positions in maintenance and operations. After several years of experience with increasing responsibilities, Bill became President of Ross Transportation Services, Inc. in March, 2007. Bill is a member of the National Private Truck Council. He is certified under the Certified Transportation Professional program. He is also a graduate of Leadership Lorain County and is active in local community organizations.

Jon Cromling

Jon Cromling, Vice President of Property and Land Development, RES (Ownership)

Jon Cromling, a local graduate, spent several years in the U.S. Army prior to joining the Ross companies. He joined Ross Transportation Services, Inc. in 1977 where he held positions in maintenance and operations. Jon was previously the Director of Strategic Land & Business Development for RES. He is also active in the Eaton Township Comprehensive Land Use Plan Committee and currently serves on the Board of Directors for Buckeye Community Bank and the Lorain County Community College Foundation.

Jim Larson

James Larson, President and CEO of RES and President, RIS

Jim started with Ross Incineration in 1998. Prior to his current position, Jim served as Research & Development Manager, Incineration Manager, Vice President of Operations for RIS and Chief Operating Officer of RES.  As President and CEO, he is responsible for the strategic, operational and financial performance of Ross Environmental Services, Inc. and its affiliated companies (Ross Incineration Services, Inc. and Ross Transportation Services, Inc.). Jim is a graduate of Leadership Lorain County, a member of the American Institute of Chemical Engineers and a former member of the Environmental Council sponsored by the Lorain County Chamber of Commerce. He holds a Bachelor of Science degree in Chemical Engineering from Michigan Technological University. Prior to joining Ross, Jim worked in the areas of chemical engineering, water and wastewater treatment, air pollution control, electrochemical engineering, sales and process engineering.

Gary Vidmer

Gary Vidmer, Executive Vice President of Sales & Marketing, RES

Gary Vidmer is Executive Vice President of Sales & Marketing for Ross Environmental Services, Inc. and has been with Ross Environmental since June of 2006. As Executive Vice President of Sales & Marketing, Gary is responsible for the overall direction and management of the Ross companies’ sales and marketing functions. He oversees sales and marketing efforts in six territories in the Central and Eastern United States, as well as, the National Account Program. Originally from Greensburg, Pennsylvania, Gary received his bachelor’s degree in Economics from Bucknell University and studied financial analysis and marketing at the University of Michigan. He has over 25 years of sales, management, and marketing experience within the chemical manufacturing and hazardous waste management industries.

Pat Lawson

Patricia Lawson, Vice President, Corporate Compliance and Risk Management, RES

Pat Lawson is Vice President of Corporate Compliance and Risk Management for Ross Environmental Services, Inc. and has been with the company since 1992. In her position, Pat is responsible for the overall direction and management of the Ross companies’ Corporate Environmental, Health and Safety, Security, Risk/Contract Management, Corporate Legal Affairs and Corporate Communications groups. Pat received her bachelor’s degree in Public Relations from The Ohio State University. She has more than 20 years of experience in the hazardous waste management industry. She is a graduate of Leadership Lorain County and is active with her daughter’s equestrian activities.

Steve Goldman

Steve Goldman, Vice President of Technology, RES

Steve Goldman is Vice President of Technology for Ross Environmental Services, Inc. and has been with the Ross companies since 1997. As V.P. of Technology, Steve is responsible for all aspects of information technology and engineering at the companies. Steve received his bachelor’s degree in chemical engineering from Rensselaer Polytechnic Institute in 1985. He has been working in the hazardous waste management and air pollution control industry for his entire career. Steve was formerly a Registered Professional Engineer in Georgia and Utah. He is devoted to his family and is active in his local church.

Darrell Zielinski, Vice President of Business Development, RES

Darrell Zielinski is the Vice President of Business Development at Ross Environmental Services, Inc. Darrell has a Bachelor of Science degree in Chemical Engineering from the University of Dayton. He held various positions involving engineering, operations, business development and general management before coming to RES in 2013. 

Mike Gamble, Vice President of Human Resources, RES

Mike Gamble joined the Ross Environmental Services, Inc. team as Vice President of Human Resources in July 2017. Mike’s professional background includes strategic planning, consulting and advising, creative problem-solving and organizational design. He also brings with him his knowledge in mergers and acquisitions, Six Sigma Black Belt, change management and employee engagement. Prior to arriving at the Ross Group of companies, Mike earned a bachelor’s degree from Bowling Green State University, served 10 years with the U.S. Army National Guard, ran his own HR consulting service and had years of experience working with Fortune 500 companies both domestic and international.

Bob Ward, Chief Financial Officer (CFO), RES

Bob Ward is the newest member of Ross Group Management. He is joining Ross Environmental Services, Inc. as the Chief Financial Officer. Bob’s professional background includes accounting and financial analysis, IT/ERP system consulting and design, and creative problem-solving. He also brings with him over 20 years of experience and is an Ohio Certified Public Accountant. Bob earned his bachelor’s degree from Baldwin Wallace University, worked for Ferro Corporation for nine years, and has served as a CFO for the last 14 years at various companies primarily in chemical and petroleum related industries.