We have subject matter experts from all backgrounds and expertise. Learn how you can utilize our trainers to incorporate customized training into the growth and development of your organization.

Lean Six Sigma Instructor
Chris Spranger

Chris has more than 15 years of experience training, coaching and implementing Lean Six Sigma based improvement programs for various types of businesses and organizations. He is an American Society for Quality (ASQ) certified Six Sigma Black Belt and an ASQ Certified Six Sigma Master Black Belt.

De-escalation Instructor
Robert Wilcox

Bob recently retired as a Wausau Police Department Officer after serving 28 years in law enforcement. He also served as a CNA and a Police Liaison at North Central Health Care Center for over four years. Bob is currently a Crisis Intervention Team (CIT) coordinator and assists in instructing CIT, situational awareness and de-escalation training.

Life Coach/Consultant
Tonya McKenna Trabant

Tonya is a coach, consultant, facilitator, poet and also teaches mindfulness. She has been with NTC since 2012, serving a variety of partners in the insurance, healthcare, manufacturing, and non-profit industries. Tonya holds a Transformational Life Coaching certificate from New Zealand Life Coaching and is currently enrolled in the UW-Madison Certified Professional Coach program. Additionally, she is certified in the Myers Briggs Type Indicator (MBTI) and well versed in other assessments.

Culinary Instructor
Travis Teska

Chef Travis formed a passion for culinary arts at a young age while cooking breakfast for his Grandfather each morning with his Grandmother. He pursued his passion by attending Johnson & Wales University, graduating with a Culinary Arts degree and went on to serve as Executive Chef at several fine dining establishments. Chef Travis is a full-time culinary instructor at NTC and provides training opportunities for the public to attend through NTC’s Continuing Education offerings.

Leadership Instructor
Tamarr Vollmar

Tamarr has over 20 years of experience in management and human resource/training-related positions. She has been an Adjunct Faculty at NTC since 2004, offering professional development and consulting for business partners specializing in leadership, strategic topics and customer service excellence training.