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Jennifer Boka, General Manager

Jennifer Boka 

Jennifer Boka joined the NILE Team in the fall of 2013. As General Manager, Boka oversees all of the events and activities of the non-profit organization, like the NILE Stock Show & Rodeo, a Professional Bull Riders Built Ford Tough event, the MATE Show and Home & Health Expo, and the NILE Foundation Stetsons & Stilettos.

Boka joins the NILE team following her time as the Communications Director of the Red Angus Association of America. Coming from a family deep rooted in the Simmental/Angus beef industry in Colorado, she brings a lifetime of cattle industry experience ranging from commercial, to seedstock cattle as well as show ring experience both competing in and judging cattle events. Time spent on the Women's Professional Rodeo Association Board of Directors while also competing in professional rodeos across the country adds valuable insight and experience to the NILE Organization.

Jennifer's free time is spent supporting her daughters rodeo, athletic and ag aspirations as well as time spent on her own barrel horses as a current member of the WPRA.

Monica Cellmer, Accounting/Membership Manager

Monica Cellmer 

Monica Cellmer started with the NILE in May of 1993, as an assistant to the General Manager. In 2001, Cellmer became the Accounting/Membership Manager. As Membership Manager, she also is responsible for ticket sales of all NILE events to members and annual and group ticket buyers.

Raised near Broadview, Montana, Cellmer graduated from Turtle Mountain Community College (Belcourt, ND) with an Associates Degree in 1988, then a Bachelor’s of Science in Accounting from Eastern Montana College (Billings, MT) in 1992.

Monica is extremely valued by the NILE for her many years of experience and knowledge of the organization. As Membership Manager she oversees the member hospitality events as well as tickets sales for members and annual ticket buyers. As an accountant, Cellmer has grown her skills and expertise with the growth of the organization and the addition of the NILE Foundation in 2009.

She enjoys going to garage sales in the summer months and working on her yard. Monica and her husband Steve live on a ranch north of Billings, MT.

Traci Marchwinski, MATE Show Manager

Traci Marchwinski 

Traci Marchwinski became a member of the team when the NILE purchased the MATE Show and Home & Health Expo in 2008. She is responsible for selling and assisting the GM with the organization of the show. She has been with the show for nearly ten years and has a tremendous amount of experience in bringing it all together as the biggest agriculture trade show in Montana and Wyoming.

Marchwinski has a tenacious spirit to make the show bigger and better each year. Vendors appreciate her structure and organizational skills that give them assurance of a well-run and successful show.

Traci has deep roots to the community being raised on a farm south of Billings. She graduated from Rocky Mountain College in 1991 with a Bachelor’s degree in Elementary Education and Psychology and a Masters Degree in Counseling from Montana State University-Billings in 1998.

Traci and her husband Dan now live on the family farm with their three children: Austin, Colton, and Ava.

Shelby Shaw, Livestock Mgr & Director of Youth Education.

Shelby Shaw 
Shelby Shaw first began with the NILE as an intern in the fall of 2012, and began as a part of the Livestock Office Team prior to the 2013 Stock Show. As the Manager of the Livestock Office, Shelby oversees the NILE Livestock Shows & Sales, working extensively with livestock exhibitors as well as the livestock committees. As Director of Youth Education, Shelby works directly on the many NILE Youth focused programs including the Merit Heifer Program, NILE Internships and scholarship programs.

Shelby was raised in Worden, MT graduating from Huntley Project High School in 2009. She continued her education, graduating from Northwest College in Powell, WY in 2011 with an Associate’s Degree in Animal Science and a minor in Agricultural Business and finished her education with a Bachelor of Science Degree in Animal Science – focusing on Livestock Production and Industry from Montana State University in Bozeman, MT in 2013.

Shelby and her husband Ike reside in Worden with their dogs,horses, and show cattle. Much of Shelby’s free time is spent working with her mom in show cattle barn sorting, washing, clipping, and calving or training her horses for the show ring. Shelby is a large advocate for the 4-H and FFA programs, being a former member of both herself – she is currently an active 4-H Leader and is a member of the Huntley Project FFA Alumni.

Bonnie DeVerniero, Equine Programs Director

Bonnie DeVerniero 
Bonnie DeVerniero joined the NILE team in 2016 as a volunteer before moving into a part-time roll as the Sales Clerk in 2017. Now as a full time NILE Staff Member, Bonnie will tend to the Equine Programs. She is a graduate of Montana State University-Billings, after attending Miles Community College for Equine Science and Biology.

As the Equine Programs Director, Bonnie handles the horse sales and futurities, the ranch rodeo, and raffle filly among other tasks. She is the lead on the NILE Foundation's fundraising event and will oversee the Radiant Rodeo and 4th Grade Ag Ed Program.

Bonnie was born and raised in Shepherd, MT, where she was an active 4-H and FFA member, showing various projects including horses. Along with her projects, Bonnie worked for Dr. Jeff Peila, DVM, as a vet assistant. Her career has been centered around providing excellent customer service by being attentive to detail and implementing policy and procedure. She became a business owner when her family opened Bad Bear Laser Tag in 2017. Being an entrepreneur has given Bonnie the chance to learn the necessary marketing and social networking skills to grow and establish a successful family entertainment business.

In 2006 she married, Mike, the cowboy who stole her heart, and has spent the last 13 years enjoying life as a ranch hand's wife across eastern Montana. Bonnie spends her free time making new memories with family and friends or working with her horses.
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