About us

Custom Diesel Drivers Training, Inc. was founded in 1971 in Omaha, Nebraska. For over fifty years, CDDT has been helping to make the roads and highways of America a safer place. Custom Diesel Drivers Training, Inc. has eight (8) licensed instructors and out of that eight, we have six (6) licensed third party examiners. They’re each licensed by the Nebraska Department of Motor Vehicles.

Locally owned, CDDT continues to meet the needs of the expanding trucking industry by successfully graduating thousands of educated and trained professional truck drivers for many local and national trucking companies. Today, CDDT offers its students up-to-date classroom and field training, all designed to provide the skills needed in the trucking industry.

We at Custom Diesel Drivers Training, Inc. are particularly proud of our history. Our pride lies not so much in that we are an old school, but rather in the fact that we are both an old and growing school. Come join us at CDDT and start your new driving career today!

James Walker – Director/President

James’ experience in trucking started in 1979. He joined the United States Army and drove a 28 wheel tractor trailer hauling heavy tanks. He hauled plastic parts within Colorado, then drove coast-to-coast hauling swinging and boxed meat out of Colorado. He has pulled flatbeds, hopper bottoms, tankers, refers, dry box, and livestock trailers. He has driven well over four million accident free miles in the trucking industries. He and his wife became the new owners of Custom Diesel Drivers Training, Inc. in October 2010.

Ken Walker – Vice President/Instructor/3rd Party Examiner

Ken was raised in the trucking industry in. His father, grandfather, and great-grandfather, were all trucker drivers. He joined the team at Custom Diesel Drivers Training, Inc. in 2013. He serves as CDDT Vice President and as an instructor, as well as a 3rd Party Examiner.

Roger Murphy Jr. – Career Planner/Instructor/3rd Party Examiner

Roger was born and raised in Omaha, NE.  He served in the Marine Corp for 8 years before becoming an officer for Douglas County to which he served another 7 years on the police force.  After his time in service he obtained his CDL in 1998 and has driven several different types of trucks in the years following including dump trucks and straight trucks, but primarily tractor trailers.  Roger joined our team at CDDT in February of 2018 as an instructor and has since also become a 3rd party examiner as well as the Career Planner for our school.

“There are so many things that I enjoy about my job, but changing peoples’ lives is at the top of the list.  Seeing the smile on someone’s face the day that they graduate with their CDL is absolutely priceless!”

Jenny Walker – Office Manager

Jenny is from Omaha, NE and joined our team in September 2020.  She originally started here as our receptionist and administrative assistant and has since took over the roll as office manager.  She handles all of our accounts receivables, VA paperwork, student financing, and all compliances amongst countless other duties.

“We have a great group of staff members who are fun, love their jobs, and are passionate about the trade/skills that they are teaching.  It is always rewarding to see the students at their graduation with their certificate and CDL in hand with a huge smile knowing that their lives have changed and have so many opportunities that await them!”

Mary Beth Robertson – Marketing/Admin/VA Rep

Mary Beth was born and raised in Minnesota prior to moving to Omaha with her family in 2015.  She started working as the recruiter at CDDT in April 2018 and has since taken on several different positions within the school.  She currently serves as a VA representative, administrative assistant, and handles our in house marketing.

“There are so many things that I enjoy about my job to pick just one.  We are all a big family here and each and every one of us get so much joy out of watching our students grow and succeed at their goals!  I love seeing former students come back in after they have graduated to say ‘hi’ and to let us know how they are doing in their new careers!  This has by far been the most rewarding career I have ever had.”

Debbi Jahn – Receptionist/Administrative Assistant

Debbi was born and raised in Omaha, NE and had worked in the medical field prior to joining the CDDT family as our receptionist and administrative assistant in January 2021. She is the first point of contact for everyone that walks in our doors and takes care of so many things ranging from taking calls, helping people to get registered for school,  putting all of the classroom training materials together for our new students, and scheduling our classes, recruiters and vendors, amongst so many other countless office tasks!

“I like seeing students come through and get their CDL and start their new careers.  I am here for them from their initial registration to their graduation!  This is the best job ever!  The Walker family are great people to work for, and everyone that I work with are awesome! ”

Nick Hall – Instructor/Supervisor/3rd Party Examiner

Nick is originally from Orlando, FL and moved to Omaha with his family in 2015.  Prior to joining the CDDT family in May 2018 he spent 7 years as a firefighter and also worked in corrections, retiring as a Sergeant after 8 years of service with them.  Although he has driven trucks since he was very young, he obtained his CDL in 2011 having driven everything from straight trucks to tractor trailers ever since.  He started out at Custom Diesel as an instructor and has since also become our instructor supervisor and is also a 3rd party examiner.

“I love teaching people about the transportation industry and training our future drivers.”

Mike Schoenberger – Instructor/3rd Party Examiner

Mike is from Council Bluffs, IA and has been with our CDDT family since April 2017.  He has had his CDL for 20 years and has primarily driven tractor trailers in that time.  He is an instructor at our school as well as a 3rd party examiner.

“I enjoy the people that I work with and changing peoples’ lives for the better and helping the transportation industry with upcoming new drivers”

Ed Schram – Instructor/3rd Party Examiner

Ed is from Gretna, NE and joined the CDDT family as an instructor in November 2020 and has since also become a 3rd party examiner.  He spent 4 years serving in the Marine Corp and has had his CDL for 6 years.

“I enjoy watching students succeed!”

Teresa Sok – Instructor/3rd Party Examiner

Teresa is originally from Loup City, NE and has had her CDL for the last 18 years.  She has driven everything from dry vans, tankers, to side and belly dumps.  She joined our team in August 2021 as an instructor and has also become a 3rd party examiner.

“I enjoy teaching people how to safely drive commercial trucks and forming a bond with the students.  Custom Diesel is very family oriented and have welcomed me into the family!  I am privileged to have been given the opportunity to progress into CDL training in our industry!”

Scott Harman – Instructor

Scott is from Bellevue, NE and served in the Marine Corp for 6 years.  He started at CDDT as a student in 2017 before heading out on the road driving several different types of commercial vehicles.  He came back to Custom Diesel as an instructor in September 2021.

“What I like the most about my job is the ability to make a difference in the CDL community and seeing how excited students get when they learn a new driving skill.”