Adult Services Staff

Clinical Director

Jamie White
Clinical Director of Adult Services

Jamie has worked for Gem State Developmental Center since June of 2013. As Clinical Director of Adult Services enjoys supporting participants in meeting their goals and having a balanced quality of life while attending GSDC. Jamie enjoys spending time with family and friends, creating arts & crafts, and being outdoors in nature. GSDC benefits from having a strong leader who supports the mission of providing - "Exceptional Service for Extraordinary People!"

Location: Administration, Meridian Adults & Nampa Adults

Adults Staff

Charlotte Dringle
Developmental Specialist II

Charlotte has been with Gem State Developmental Center since 2006. Her dedication to providing quality care to those in her care is a testament to her professionalism and compassion. As a team lead at the Nampa Adults Center, Charlotte ensures her team has everything they need to be successful in fulfilling the GSDC mission. In her spare time, she enjoys a range of hobbies and spending time with family and friends. 

Location: Nampa

Lilibeth De La Pena
Developmental Specialist II

Lilibeth has been with Gem State Developmental Center since 1998. Her dedication to providing quality care to those in her care is a testament to her professionalism and compassion. As a team lead at the Meridian Adults Center, Lilibeth ensures her team has everything they need to be successful in fulfilling the GSDC mission. In her spare time, she enjoys a range of hobbies and spending time with family and friends. 

Location: Meridian

Allyssa Cox
Developmental Specialist

Allyssa has been with Gem State Developmental Center since 2022. Her dedication to providing quality care to those in her care is a testament to her professionalism and compassion. As a team lead at the Meridian Adults Center, Allyssa ensures her team has everything they need to be successful in fulfilling the GSDC mission. In her spare time, she enjoys a range of hobbies and spending time with family and friends. 

Location: Meridian

Bruce Jones
Developmental Specialist

Bruce has been with Gem State Developmental Center since 2025. His dedication to providing quality care to those in her care is a testament to her professionalism and compassion. As a team lead at the Nampa Adults Center, Bruce ensures his team has everything they need to be successful in fulfilling the GSDC mission. In his spare time, he enjoys a range of hobbies and spending time with family and friends. 

Location: Nampa

Tenaya Johnson
Developmental Specialist

Tenaya has been with Gem State Developmental Center since 2025. Her dedication to providing quality care to those in her care is a testament to her professionalism and compassion. As a team lead at the Meridian Adults Center, Tenaya ensures her team has everything they need to be successful in fulfilling the GSDC mission. In her spare time, she enjoys a range of hobbies and spending time with family and friends. 

Location: Meridian

Lydia Wilhelm
Developmental Specialist

Lydia has been with Gem State Developmental Center since August of 2024. She received a bachelor's degree in Biochemistry with a minor in Psychology from NNU. As a Developmental Specialist, her commitment to the care of our participants is a top priority for her. In her free time, Lydia enjoys swimming and spending time with family and friends. 

Location: Meridian

Robin Simmons
Developmental Technician II

Robin has worked at gem state since 1996. She is a Developmental Technician 2. Robin is med and first aid certified. Robin has worked here so long because of all the participants she has met along the way . Robin feels just as excited as they do about their progress, that they have worked so hard for. Robin enjoys her time with Family especially being Gram Gram. Robin likes movies, and traveling she likes New York and would love to live there in time square someday! Robin also travelled to Mexico But New York rocks!

Location:  Nampa

Maria Guillen
Developmental Technician II

Maria has been with Gem State Developmental Center since June of 2001. Maria is a Developmental Technician 2, who enjoys working with adults and children with special needs. She enjoys watching their progress and loves being able to make a difference. Maria enjoys spending time with family and friends and making memories with her grandkids. Her favorite pastimes are crafts (crocheting), gardening, hiking, and going camping. 

Locations:  Meridian - Yo Hablo Español

Heather Simmet
Developmental Technician II

Heather has been with Gem State Developmental Center since November 2005. She is a Developmental Technician 3 and enjoys working with adults with special needs. Heather enjoys spending time with family and friends and exploring her many hobbies in her free time. 

Locations:  Meridian

Diana Garcia
Developmental Technician

Diana has been with Gem State Developmental Center since June of 2011. She is a Developmental Technician 1, with certification as a Nursing Assistant. She always wanted to help others achieve their goals, and enjoys having the opportunity to assist participants. Diana enjoys bike rides, going for walks, and spending time with family and friends. 

Location:  Nampa - Yo Hablo Español

Valorie Dudgeon
Developmental Technician

Valorie has been with Gem State Developmental Center for over 5 years. She retuned to GSDC after being retired for 2 years. Valorie works as a Developmental Technician 1 and is a Certified Nursing Assistant. Valorie enjoys providing assistance to those with special needs so they may become more independent. She enjoys time with her grandson and reading James Patterson books. 

Location: Nampa

Brandy Uker
Developmental Technician II

Brandy has been with Gem State Developmental Center since 2022. She works as a Developmental Technician 1 and enjoys providing assistance to those with special needs so they may become more independent. 

Location: Meridian

Brian Hill
Developmental Technician

Brian has been with Gem State Developmental Center since September of 2022. Brian works with the adult's program as a Developmental Technician and enjoys spending time with friends and working on hobbies.

Location: Meridian

Jake Murphy
Developmental Technician

Jake has been with Gem State Developmental Center since March of 2023. He works with the adult program as a Developmental Technician and enjoys spending his personal time with family and friends. Jake enjoys playing music and entertainment. 

Location: Meridian

Katie Bridgewater
Developmental Technician

Katie has been with Gem State Developmental Center since July of 2023. She works with the adult program as a Developmental Technician and enjoys spending time with family and friends doing the things she loves. Katie brings compassion and dedication to the team and the participants she serves. 

Location: Meridian

Tammy Anderson
Developmental Technician

Tammy has been with Gem State Developmental Center since June of 2024. She brings compassion and dedication to the team and support to the participants she serves. In her free time, Tammy enjoys pursuing hobbies, and having time with family and friends.  

Location: Meridian/Nampa

Brittni Petersen
Developmental Technician

Brittni has been with Gem State Developmental Center since January 2025. She works as a Developmental Technician in the adult program and enjoys spending her free time with family and friends. 

Location: Meridian 

Rebecca Berner
Developmental Technician

Rebecca has been with Gem State Developmental Center since September 2025. As a Developmental Technician, her work with the adults in the Annex allows the team and the participants to flourish. Rebecca enjoys spending her free time pursuing hobbies, enjoying time with family and friends. 

 

Location: Meridian

Luke Moran
Developmental Technician

Luke has been with Gem State Developmental Center since September 2025. He brings compassion and a desire to support our participants in their daily living. In his free time, Luke enjoys pursuing hobbies and spending time with family and friends.  

Location: Meridian

Emma Davis
Internship / (MSW Intern)

Emma started her Internship with Gem State Developmental Center in August of 2025. She is currently pursuing her Master's of Social Work degree at Boise State University. Her professionalism and drive to provide quality care services is allowing her to meet academic and career goals toward her chosen profession. 

Location: Meridian

Holly Donahoo
Internship / (MSW Intern)

Holly started her Internship with Gem State Developmental Center in August of 2025. She is currently pursuing her Master's of Social Work degree at Boise State University. Her professionalism and drive to provide quality care services is allowing her to meet academic and career goals toward her chosen profession. 

Location: Meridian