Our Team

An Agency With Experience

We take pride in our work. We assure steps will be taken on behalf of your loved ones, to meet their fullest potential, in a safe, fun and friendly environment.

Terry Guthrie


Terry founded Guthrie Mainstream Services in 2003.
She has over thirty years experience working with the developmentally disabled in the U.S. and Canada. Her credentials range from independent provider to administering over 500 providers and families. She attended Northwest Missouri State and Drake University.
Terry loves to travel, dance, and spend time with her grandchildren.
When you wish upon a star, makes no difference who you are. Anything your heart desires will come to you.
- Walt Disney, Pinocchio

Matthew Guthrie


Chief Executive Officer
Ability Center
Joined team GMS 2003
Matthew has met Ladmo and spent a day hiking the Grand Canyon. He also enjoys being his children's soccer coach and playing soccer. Matthew is from Canada and loves watching hockey games.

Humility is not thinking less of yourself; it's thinking of yourself less.
- C.S. Lewis

Anahi Salazar


Field Manager/Spanish Caseload
Learning Center
Joined team GMS 2015
Anahi is pronounced “Ana-ee.” She loves Perrier sparkling water, the color mint green, taking pictures of clouds and sunsets, and pinning stuff on Pinterest. When not at work, she enjoys spending time with her kids and going on spontaneous road trips.

All our dreams can come true, if we have the courage to pursue them. .
- Walt Disney

Angela Dentandt


Administrative Assistant
Ability Center
Joined team GMS 2004

Angela Freestone


CTYA Program Manager
Discovery Center
Joined team GMS 2014
Angela loves music and can play several instruments. Angela loves spending time with her family. She loves to play pickle-ball. Angela has participated in a triathlon. She enjoys watching the Bachelor.

“Whether you think you can or you think you can’t, you’re right.”
-Henry Ford

Ann Despain


Training
Learning Center
Joined team GMS 2013
Ann is more widely know as Grandma Ann from her own grandchildren as well as all children in her life. She won the Beth McDonald Woman of the Year nomination for the month of December 2013. Ann used to teach cooking classes, is an excellent seamstress and pianist. She is known for her magical rice crispy treats. Ann is a certified State Lead Trainer, Guthrie is proud of her accomplishments and the way she represents our company!

It is in giving that we receive.
- St. Francis of Assisi

Ashley Kovara


HCBS Field Manager
Discovery Center
Joined team GMS 2008
Ashley is the oldest of 3 and the only girl. She enjoys singing, cooking and outdoor activities such as hiking, camping and boating.

A life lived for others is a life worthwhile.
-Albert Einstein

Ashley Low


Field/DTA Program Manager
Extension Center
Joined team GMS 2010
Ashley loves going to Disneyland with her family.

When you wish upon a star, your dreams come true!
– Jimminy Cricket

Ashley Stockton


Administrative Assistant
Ability Center
Joined team GMS 2006
Ashley is a self proclaimed foodie and loves discovering new restaurants with her husband. Ashley is also a mother of four children and has a degree in elementary education with an emphasis in special education. She loves iced lattes, reading, exploring nature and organization.

We ourselves feel that what we are doing is just a drop in the ocean. But the ocean would be less because of that missing drop.
- Mother Teresa

Candice Villalobos


Training Associate
Learning Center
Joined team GMS 2013
Candice likes essential oils, pitbulls, hot yoga and horses. She played badminton in high school and would like to take up archery.

You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.
- Mahatma Gandhi

Cheyenne Smith


Program Manager
Extension Center
Joined team GMS 2015
Cheyenne is the youngest of 6 children and only girl in the family. She loves to stress bake and would adopt a ton of dogs if she had the time and space. Cheyenne's parents immigrated from Trinidad and Tobago making her a second generation American. She loves going to Disneyland and tries to go at least once a year. Cheyenne would like to become an Occupational Therapist someday and can be found binge watching Netflix and Hulu on Sundays.

Growing old is mandatory, but growing up is optional.
- Walt Disney

Chelsea Wilson


Children, Teen & Young Adult Program Associate Supervisor
Learning Center
Joined team GMS 2016
Chelsea grew up with 6 brothers and 0 sisters. Her bucket list is to visit every national park in the country 14 down 47 to go! She is an avid NASCAR fan. Chelsea loves baking but ironically don’t like eating most baked goods. She has a love for Pitbull’s, enjoys attempting to make foreign cuisine, and birdwatching. Chelsea re-reads all the Harry Potter books about once a year!

Optimism is true moral courage.
- Ernest Shackleton

Cindy Kolbas


Field Manager
Ability Center
Joined team GMS 2015
Cindy is the youngest of 3 girls and was born and raised in the Upper Peninsula of Michigan where there is snow 7 or 8 months a year (and she still can't ski). Her favorite smells are clean laundry, fresh cut grass and campfires. She loves sweet tea and has an awful sweet tooth and would eat dessert for dinner every day if she could! Cindy can drive a stick shift and knows how to crochet. She loves the water but still has to plug her nose when she go under.

On particularly rough days when I'm sure I can't possibly endure more, I remind myself that my track record for getting through bad days has been 100%. And that’s pretty good.
- Unknown

Dannielle McDevitt


ADH/CDH Licensing Specialist
Ability Center
Joined team GMS 2004
Dannielle can almost always be seen wearing heels but she also likes vans. She is a big Cardinals fan. Dannielle is a boy mom and can be found most weekends on the soccer field. She is an OG Backstreet Boys fan and enjoys going to concerts. When she has free time it's spent watching the Bachelor.

You were born with the ability to change someone's life, don't ever waste it.
- Kushand Wizdom

Dharby Gordon


ADH/CDH Assistant/Human Resources
Ability Center
Joined team GMS 2009
Darby studies Martial Arts and is a vegan. He has lived in both Italy and India and other places around the world. Dharby is an activist for positive environmental change. He is a tech guy who likes to share his knowledge.

Easy is right.
- Lao Tzu

Diana Manzo


Administrative Assistant
Ability Center
Joined team GMS 2017
Diana's favorite colors are maroon, baby pink and black. She loves to dance to Spanish & Country music. Diana is a Disney fanatic and likes elephants. She would rather be sipping on margaritas and laying on the beach ( Maybe that’s why it’s her middle name).

TO INFINITY AND BEYOND ( Buzz Voice)
– Buzz Lightyear

Edgar Garcia-Mondragon


Field Manager - Spanish Caseload & Training Associate
Learning Center
Joined team GMS 2016
Edgar was known as “Mr. G” among his students and faculty at La Salle University in Cancun-Playa del Carmen, Mexico. The craziest thing that has happened to him was being able to reunite with his junior high school sweetheart and marry her. He is a free-lance photographer who also studied Veterinary Medicine at UNAM. He is studying Spanish for Medical Interpretation at Rio Salado College. Plays the piano and loves animals. Loves the Caribbean Sea and especially the Riviera Maya.

You are never too old to learn or to set another goal or to dream a new dream.
- C.S. Lewis/G.Ed.

Heather Camargo


Event and Multi Media Communication Director
Learning Center
Joined team GMS 2006
Heather is known for her organization skills and fondness for containers. She loves to vacation and explore new places especially the ocean. Some of her hobbies include baking, photography, woodworking and DIY home projects.

Life does not have to be perfect to be wonderful.
- Annette Funicello

Heather Peterson


Billing Director
Ability Center
Joined team GMS 2005
Heather is a certified scuba diver with a love for the ocean and sea turtles. With over 25 pets to say she is an animal lover is an understatement. Some of her pets include a horse, cats, dogs, fish and several tortoises.

When the world says "give up", hope whispers "try one more time."
- Unknown

Janine Little


Case Grande Field Manager
Case Grande
Joined team GMS 2005
Janine loves cats and her favorite books are mysteries.

Anyone who has never made a mistake has never tried anything new.
- Albert Einstein

Jenifer Shaffer


Accountant/Purchasing Officer and Shaffer Bookkeeping Services LLC
Ability Center
Joined team GMS 2003
Jenifer loves cats, waterfalls and lighthouses. She has owned her own business since 1998.
www.sbsaz.net

A nickel ain't worth a dime anymore.
- Yogi Berra

Joey Higgins


Center Director
Extension Center
Joined team GMS 2008
Joey plays the trumpet and works with both the ASU and Mountain View marching bands. He breeds bearded dragons and hangs Christmas lights as a side business during the holidays. He likes wrist watches, the outdoors, camping, clarification, country music and dancing. He is a proud dog dad.

The best time to plant a tree is 20 years ago. The second best time is now.
- African Proverb

Joy Teichman


Human Resources Consultant
Ability Center
Joined team GMS 2018
Joy owns her own business, Joy’s Human Resource Consulting. Her favorite color is anything that sparkles and pretty much anything Pumpkin Spice. Fall is her favorite time of year and Christmas is her favorite holiday. When She has the time and patience she likes to make crafts, specifically crafts for the holidays. Joy has 5 dogs, 3 cats, 1 rabbit, 1 guinea pig, 2 goats, 1 potbelly pig, 3 turkeys, 3 ducks, and about 30 chickens at home. She also really wants a donkey!

Today you are You, that is truer than true. There is no one alive who is Youer than You.
― Dr. Seuss, Happy Birthday to You!

Julie Burnham


Center Director & Employment Specialist
Learning Center
Joined team GMS 2012
Julie loves to sleep, the color red, polka-dots, school supplies, speaks French and is afraid of birds. She is related to almost everyone in the East Mesa area and taught preschool for many years.

You have brains in your head. You have feet in your shoes. You can steer yourself in any direction you choose. You're your own. And you know what you know. And YOU are the one who'll decide where to go.
- Dr. Suess

Kathlyn Sloan


Human Resources Specialist
Ability Center
Joined team GMS 2013
Kathlyn loves to go big for her and her loved ones’ birthdays. Her love language is giving and receiving gifts. If you can make Kathlyn laugh hard enough, she’ll snort. Her favorite breakfast food are donuts.She would like to eat sushi as often as her body and bank account could handle it. Kathlyn wishes she was born in the 60s solely for its fashion. Someday she would like to have a pet snake.

To the world you may be one person, but to one person you may be the world.
– John Lennon

Kim Bolin


DTA Program Manager
Ability Center
Joined team GMS 2014
Kim traveled to Europe when she was 16 and has worn braces 2 different times in her life. When she is not working, Kim enjoys spending time with her son, family and friends.

My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style.
-Maya Angelou

Kimberly Scott


Quality Assurance Specialist
Learning Center
Joined team GMS 2006
Kim loves the Arizona Cardinals, Coke Zero and Coronado Island. Her dream is to one day own a home there. She likes dinosaurs, Thai food, reading and listening to motivational podcast/speakers/authors.

If you do something out of duty it will deplete you, but if you do something out of love it will energize you.

– Mother Teresa

Lara Stewart


CTYA Program Manager
Ability Center
Joined team GMS 2010
Lara is an talented artist who specializes in illustration. She enjoys Harry Potter, owls and anime. She has traveled to Japan and enjoys the cuisine. Lara has designed many of the annual GMS summer shirts.

Life is not about waiting for the storm to pass, it's about learning to dance in the rain.

– Unknown

Karen Vranjes


Training and Development Coordinator 1
Learning Center
Joined team GMS 2004
When Karen is not working she likes to relax with a good book and a cup of tea (preferably in a tropical place). Collecting sea shells on a beach and swimming with dolphins are also awesome!

Tell me and I forget, teach me and I may remember, involve me and I learn.
- Benjamin Franklin

Lisa Kerber


Manager Princess Group Home
Ability Center
Joined team GMS 2017
Her favorite place is to be at home with her favorite people, her husband and her kids. She love to organize and decorate. She drives her family crazy with her need for everything to be in a basket. Lisa loves wide open spaces with lots of trees. Her favorite color is yellow, she dreams of living in a little yellow house surrounded by yellow flowers in the middle of nowhere someday.

Not all of us can do great things. But we can do small things with great love..
- Mother Teresa

Larry Frazier


Facilities Manager
Ability Center
Joined team GMS 2006
Larry has been on Inside Edition and is a Vietnam Veteran.

Life is like riding a bicycle. to keep your balance, you must keep moving.
- Albert Einstein

Marnita Johnson


ADH/CDH Licensing Specialist
Extension Center
Joined team GMS 2016
Marnita likes to go by Nita. She loves to bake cakes, paint pictures of summertime and outdoor scenery. She is learning how to crochet and has started boxing. Nita considers herself an introvert and admits she can be too quiet at times. She runs a food truck and enjoys photography. Nita loves to travel near and far.

No matter what great things you accomplish someone helps you.
- Wilma Rudolph

Matthew Vranjes


Facilities
Ability Center
Joined team GMS 2006
Matthew loves Hallmark Christmas movies. He was a wrestler in high school and made runner-up in the state finals. He also sang in his high school and church choirs. Matthew has a guinea pig named Dory, a little dog named Sarah, and likes turtles and fish (they are fun to watch). Matthew has drilled water wells and once worked at Ben Cohen's home, the co-founder Ben & Jerry's ice cream.

You can be whatever you want to be. Believe in yourself. Never give up. Keep going You can do it.
Unknown

Michelle Riggs


Ability and Discovery Center Director
Ability Center
Joined team GMS 2008
Michelle loves the ocean, bodies of water, the sun, her house perfectly clean, stray dogs, mint green, sharpies, glitter, festivals and colored paperclips (she gives away regular ones and only keeps the colored).

The best way to find yourself is to loose yourself in the service of others.
- Ghandi

Naomi Reynolds


Administrative Assistant
Ability Center
Joined team GMS 2017
Naomi's favorite colors are pink and yellow and her favorite foods are tamales and tiramisu. She likes to go to local concerts and support local musicians. Naomi plays Dungeons and Dragons in her free time. She likes cryptozoology, Mothman and the Jersey Devil are two of her favorite cryptids. Generally, she likes spooky stories whether it’s about cryptids or ghosts or anything of the supernatural sort. She really likes to dance and took a classes in high school, but now it’s something she does for fun!

Be who you are and say what you feel, because those who mind don’t matter and those who matter don’t mind.
– Bernard Baruch

Nick DeBok


ADH/CDH Licensing Specialist
Children's Learning Center
Joined team GMS 2003
Nick loves spending time with his bulldogs, traveling, singing songs in his office and going to the theater and Opera's.

To any action there is always an opposite and equal reaction.
- Sir Isaac Newton

Quincy Davis


DTA Program Manager
Ability Center
Joined team GMS 2012
Quincy enjoys photography and a long exposed photograph is his favorite. He also enjoys being outdoors on a hike or camping with friends. He finds joy in cooking for his family, and doing the dishes to relax. Quincy will forever be the guy pushing the shopping cart at Target. He wants to get better at connect 4. His favorite color is green, he likes gorillas, Chipotle and traveling.

Don't ever forget that a small group of thoughtful people can CHANGE the world. It's the only thing that ever has.
- Aaron Sorken

Renee Layja


Children, Teen & Young Adult Program Associate Supervisor
Discovery Center
Joined team GMS 2018
Renee’s favorite pass time is spending time with those who matter most in life, car rides with excellent music, reading great books, hiking, watching movies, and swimming. She participated in a synchronized swim team for 4 years when I was younger. Being bilingual, in English and Spanish, allows Renee to connect with those of other cultures. Rocky is the name of her furry son. Renee enjoys dancing and singing to her favorite songs, making others smile and brightening up their lives. She loves traveling and wants to see more of the world and its beauties.

It is impossible to live without failing at something, unless you live so cautiously that you might as well not have lived at all – in which case, you fail by default.
- J.K. Rowling

Ruben Salazar


DTA Program Associate
Extension Center
Joined team GMS 2018
Ruben loves playing basketball, watching action movies, pickles and spending time with his family. He is the coordinator of a youth group at his church. Ruben is known for his style and fancy shoes (that he is willing to play football in).

Remember that when you leave this earth, you can take with you nothing that you have received, only what you have given
- St. Francis de Assisi

Susan Ruiz


ADH/CDH Licensing Specialist
Extension Center
Joined team GMS 2014
Susan just got her first smart phone and since learning how to use the internet she now googles EVERYTHING. Her favorite show is the Walking Dead.

Always remember that you are absolutely unique, just like everyone else.
- Margaret Medd

Thomas White


Transportation Manager
Ability Center
Joined team GMS 2016
Thomas is know for his positive attitude and his overalls! He is an open-mic poet and a talented aspiring artist. Thomas loves Mediterranean food and is a big fan of Legos. Another secret talent is the range of different voices he can make.

When the power of love overcomes the love of power, the world will know peace.
-Jimi Hendrix

Tim Powell


Transportation Director
Ability Center
Joined team GMS 2003
Tim is from Ohio and is a Buckeyes and Browns fan. He loves the outdoors, camping fishing and being a "Papa". Tim has a great sense of humor and enjoys a good maple doughnut.

There is no wi-fi in the forest, but I promise you will find a better connection.
- Unknown

Tyler Huffman


Children, Teen & Young Adult Program Associate Supervisor
Ability Center
Joined team GMS 2018
Tyler taught himself how to juggle enjoys playing Dungeons and Dragons. He has worked on some local films shot here in Arizona. While he is a fan of DC shows, he does not care for Marvel movies. Primarily, Tyler likes to listen to indie rock, and will totally sing along to it in the car. He grew up on the coast of California and still use words like “gnarly.”

The most useful piece of learning for the uses of life is to unlearn what is untrue.
- Antisthenes

Valerie Myrtil


DTA Manager
Discovery Center
Joined team GMS 2011
Valerie enjoys cooking hatian food and reading romantic murder mystery novels. She grew up in New York and is learning to sew.

I don't know what your destiny will be, but one thing I know: the only ones among you who will be really happy are those who will have sought and found how to serve.
- Albert Schweitzer

Vanna White


CTYA Program Manager
Great Center
Joined team GMS 2008
Vanna, cool fact, her name is "Vanna White" but she did not know how famous her name was until age 13. Vanna loves being outdoors and anywhere near an ocean. She enjoys listening to Disney music and visiting Disneyland. When she was young, she convinced her parents to name her baby sister Savannah so they would almost have the same name. Vanna is a Dallas cowboys fan and even named her dog after the team.

Life is a sum of all your choices.
- Albert Camus