USA Team Members



Layton Roubique

Global Sales Director - North America

Layton is a highly accomplished professional with a diverse background in healthcare management, emergency response, and sales leadership. He is a retired U.S. Air Force Chief and Operations Manager, and was recognized for exceptional service with the Meritorious Service Medal.

He holds a Bachelor’s degree in healthcare management from Trident University and is a nationally certified paramedic.

Layton has been instrumental in nurturing relationships with state and county departments, city councils, private ambulance companies, hospital systems, and the Department of Defense.

In his spare time, Layton volunteers as a research diver for the National Oceanic & Atmospheric Administration (NOAA) and supports the Children’s Surgical Centre in Cambodia.


Juan Vergara

Global Director of Customer Service
Juan Vergara joined Nasco Healthcare as Global Director of Customer Service in 2023. Juan has a successful track record in Customer Service using a variety of metrics which he looks forward to implementing at Nasco Healthcare. Educated at University of Wisconsin and Rockhurst University of Chicago, Juan is experienced in managing a multinational team. He has a wealth of experience in distributor management, vendor management, contact center management, SalesForce implementation and shipping. Juan is based out of Wisconsin and speaks Spanish and Portuguese.
Tom Bailey

Tom Bailey

Customer Service Manager

With 20 years of proven customer service management, Tom brings a wealth of expertise as a leader across multiple industries. His solid track record includes customer service efficiency, coaching, and driving continuous improvement through ethical practices. Tom is also passionate about new challenges and leading change management.

Tom will play a pivotal role in moving Nasco Healthcare forward by leveraging new technologies and metrics.

North-Central Region Director Melissa Dummer

Melissa Dummer

Sales Director - North Central

Melissa has a BS in Health Administration from the University of Wisconsin–Eau Claire with an emphasis in geriatrics and long-term care and was a federally licensed nursing home administrator in Wisconsin and Minnesota.

While the bulk of her time is spent in marketing, product development and instruction, Melissa also uses her strong healthcare background to find the perfect simulation solution for our customers and distributors.

South East Regional Director Lisa Glidden

Lisa Glidden

Sales Director - Southeast

Lisa has over a decade of experience in the healthcare industry.

For several years she directed healthcare asset remarketing programs helping clients discern and resell surplus assets via the auction/listing site model.

Lisa brings with her an extensive healthcare client list and track record of forming lasting relationships in all areas of the industry.

Brenon Circle

Brenon Larson-Gulsvig

Sales Director - Northeast

Brenon brings extensive experience to Nasco Healthcare. He holds a Bachelor of Science in Business Administration from Lindenwood University, with an emphasis on Marketing.

Brenon will play a crucial role in expanding our market share in the Northeast with his strong networking and strategic communication skills.

In his previous roles at ImageTrend, Better Earth Solar and Airborne Athletics, his leadership and sales proficiency contributed to significant increases in closing high-value deals.

Dianne Wentz Head photo

Dianne Wentz

Customer Service Administration Manager

Dianne began her journey with Simulaids founder Kevin Sweeney as a Customer Service Associate. Dianne’s dedication soon led to being promoted to Executive Assistant to the VP of Business Operations.

Dianne’s experience and passion for success was instrumental in the successful transformation to Nasco Healthcare. Her proficiency for providing customer service led to her promotion to North America Customer Service Manager.

Her leadership and commitment to Nasco Healthcare drives our goal of providing excellence in Customer Service.

Michael Lippincott Head and shoulders picture

Michael Lippincott

Product Manager

Michael has a Bachelor of Science, a Master’s in Business Administration, and a wealth of experience in market research, competitive analysis, and product launch/lifecycle management.

Michael’s focus is on expanding our global presence by gathering customer feedback for both product development and launches. This will help Nasco Healthcare achieve key operational and strategic goals in our ongoing transformation, and always delivering winning products.


Colin McBain

Sales Director – Southwest & Canada

Colin brings a wealth of experience and a passion for healthcare simulation to Nasco Healthcare, particularly within the realm of virtual reality (VR) technologies. He possesses a strong background in sales and account management, consistently surpassing sales targets and fostering great partnerships.

His previous roles include serving as a flight paramedic and volunteering as a firefighter/EMT. Colin holds a Bachelor of Arts in Journalism and Media Studies from the University of Nevada, Las Vegas, as well as an associate degree in Paramedic Science from Fox Valley College.

Book a Demo