John Zevalkink CEO
For more than 35 years, John Zevalkink has built a career around providing warehousing and transportation solutions for Columbian’s customers. John’s persistent focus on quality and innovation has allowed Columbian to maintain several long term customer partnerships. And, in maintaining these relationships, John continues to strengthen the roots of a third generation family business.Under his vision and leadership Columbian has grown from a single public warehouse, cross-dock delivery business to a multiple warehouse facility business, which provides a full array of 3rd party logistics services, including Contract Warehousing, Food Logistics, Foreign Trade Zone, Dedicated Transportation, and Transportation Management. He considers his most important achievement to be the growing employment opportunities Columbian provides, along with the talent the Columbian team brings to its customers. Beyond Columbian, John has served as Chairman of the West MI Delta Nu Alpha Transportation Fraternity, Western Michigan CSCMP Roundtable, Michigan Limited Carriers Association, and the International Warehouse Logistics Association.John received his B.A. in Economics from Hope College and his MBA in Marketing and Logistics from Michigan State University. John and his wife recently celebrated their 30th wedding anniversary. Together they have two adult children. John’s family enjoys spending time on and in the Great Lakes. For the past several years John has shared one of his water passions with the public, by promoting Grand Valley State University’s Lubbers Cup Regatta on Spring Lake.
Bob Christian Executive Vice President
As Executive Vice President Columbian Logistics Network, Bob Christian oversees operations and safety, and is charged with providing our customers with tailored logistics solutions which meet their unique needs and minimize their supply chain costs.Bob is also a past Board Chairman of the International Warehouse and Logistics Association Insurance Company. Prior to joining Columbian, Bob served as Corporate Controller for The Brown Corporation of America and as an Audit Manager for Ernst and Young, LLC. Bob holds an M.B.A from Grand Valley State University.
Doug Johnson Executive Vice President
Doug Johnson is Executive Vice President of Columbian Logistics Network, overseeing our asset and non asset transportation business, as well as the sales and marketing departments.
Doug's experience includes 8 years with Hub Group, where he served as Assistant Vice President of Business Solutions. Prior to his tenure with Hub Group, he has driven the sales efforts of several companies in the transportation sector including, CRST, Celadon, Penske and Gainey Transportation Services.
Doug earned a degree in Business Administration from Davenport University, with an emphasis on marketing and management. He is involved in various organizations such as CSCMP as a board member. He lives in Ada, MI with his wife and three kids.
Jim Gadziemski Vice President - Warehouse Operations
As Vice President of Warehouse Operations, Jim has responsibility for all of Columbian’s operations. This includes facilities supporting 24/7 JIT contract manufacturing, public warehousing, temperature control storage and distribution, and an LTL-cross dock fleet that covers the majority of Michigan, Northern Illinois, Northern Indiana, and Northern Ohio. In addition to managing the operations, Jim is responsible for the company-wide food safety program. All facilities have received SQF level 2 certification or an annual AIB score of 900 or greater on top of being Organic Certified.Jim has a strong background in 3PL operations and fully understands that superior execution for our customer’s customer is vital to continued success. Prior to joining Columbian, Jim spent 10 years as a Facility Manager for Total Logistic Control for either ambient or temp controlled facilities. In addition, Jim also spent 2 years with the Olson Company as the Campus Manager for food grade distribution as well as E- Commerce fulfillment business. As an Eagle Scout, Jim is active in a local Scout program acting as an assistant scoutmaster for his 4 sons.Jim graduated Cum Laude from Central Michigan University with a BSBA in Logistics Management and is a Certified Supply Chain Professional (CSCP) through APICS.
Blair Thomas Director, Customer Care
As Director of Customer Care, Blair Thomas is responsible for Columbian's customer-facing corporate functions. In this role, Blair leads organizational marketing efforts, the Information Technology department, our Quality System, and Project Management related to new customer start-ups as well as internal improvements. Blair also represents Columbian Logistics Network in the community through the Council of Supply Chain Management Professionals as well as the Supply Chain Council at The Right Place, a non-profit dedicated to advancing West Michigan’s economy. Prior to joining Columbian in 2010, Blair held roles in operations management, process improvement, and customer integration at DSC Logistics and NAL Worldwide, both in Chicago. He earned his BS in business at Miami University in Oxford, Ohio and his MBA from DePaul University in Chicago.
Hollis Pace Director of Business Development
Our Director of Business Development, Hollis Pace, develops, negotiates, and manages relationships with clients to bring in new business and retain current clients. Hollis graduated from Michigan State University in 2000 with a degree in Supply Chain Management. He has worked in the logistics field for over 13 years. His prior work experience includes Penske, DHL Express, and Hanson Logistics.
Jesse Sweezea Corporate Controller
As Corporate Controller, Jesse oversees all Accounting and Finance related functions. Jesse has a bachelor’s degree in accounting and finance from Grand Valley State University (GVSU), holds a CPA License from the state of Michigan, and is currently working towards completion of a Master’s degree in Accounting also from GVSU. Prior to joining the Columbian team in 2014, Jesse had 8+ years of experience in customer service, data analysis, and auditing. When Jesse isn’t working, he enjoys driving his jeep, camping, drinking craft beer, and playing sports.
Alan Haynes Manager of Continuous Improvement
Alan Haynes, Manager of Continuous Improvement, is primarily responsible for driving cost savings initiatives as they relate to our customers’ supply chains. Alan has 15 years of experience in this realm with companies such as GE Healthcare and Generac Power Systems. Alan holds a BS in Business Management from Cardinal Stritch University, an Associate’s degree in Automation and Process Control from Bay deNoc Community College, and is presently working on his Lean Six Sigma Black Belt Certification from Georgia Tech. He is also a member of the CI Steering Committee, which is a part of the Foundation for Strategic Sourcing. When Alan isn’t working, he enjoys backpacking and spending time with family.