Meet the Team

We view our personal relationships with our families as a privileged role, and never lose sight of the enormous trust placed in our hands. Together, we can celebrate the “inchstones” as well as the “milestones” that mark each child’s progress toward their goals.

Laurel MCMIllan

Owner – Occupational Therapist

The founder of LittleRoos is Laurel McMillan, MA, OTR/L, an occupational therapist specializing in infant and pediatric therapy services. She is a graduate of the University of San Diego and earned her masters degree at the University of Southern California.  She has many years of specialized experience treating infants in a Neonatal Intensive Care Unit (NICU) at a major Phoenix hospital. With a deep understanding of the challenging journey many NICU families have successfully completed, Laurel can provide expert continuing support after the transition to home. Laurel also has extensive experience in outpatient pediatric care, and subacute pediatric rehabilitation – working with a wide range of children from 0-18 years old requiring various levels of developmental, neurological, orthopedic, and medical fragility support. Laurel also holds specialty certifications in neonatal therapy and massage, and has been a program leader for GiGi’s Playhouse in Phoenix for several years.

Karlee Steward

Occupational Therapist

Karlee Steward received her Master’s degree in Occupational Therapy from Midwestern University in Glendale, Arizona. Both during her studies and following graduation, Karlee developed a love for, and focus in, pediatric therapy. Her post-graduation experience includes outpatient pediatric services specializing in sensory processing disorders, and she has worked closely with children ages 2-18 with a wide variety of developmental backgrounds. Karlee utilizes a sensory-integrative approach in therapy to support children’s individual needs and strengths across environments.

Caitlin Oakey

Occupational Therapist

Caitlin Oakey is an Arizona native. She received her Master’s Degree in Occupational Therapy from Midwestern University in Arizona. Prior to becoming an occupational therapist, Caitlin was a preschool teacher and then a 5th-grade teacher. She has extensive experience with babies and kids of all ages. Following graduation, Caitlin developed a love and interest in feeding therapy. She has been trained in swallowing disorders, sensory-based feeding, and oral motor skills. Caitlin uses a sensory integrative approach to therapy and enjoys providing care for families in their natural home settings and outpatient clinic.

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Kirsten Cook

Occupational Therapist

Kirsten Cook received her Master’s degree in Occupational Therapy from the University of Utah in Salt Lake City, Utah. As Kirsten has 13 nieces and nephews and worked as a nanny for years prior to obtaining her education she developed a love for pediatrics, which only continued to develop through schooling. She worked as a Direct Support Professional for 6 years with adults with disabilities and still maintains some of those relationships today. Her post-graduation experience includes outpatient pediatric services with a wide variety of children, ranging from 7 months-22 years old. Kirsten utilizes a team approach with family members and other therapists to best support the children on her caseload.

Katrina Graf

Speech Language Pathologist

Katrina Graf is a speech-language pathologist who specializes in working with babies with complex feeding difficulties. She grew up in the midwest and attended graduate school at the University of Arizona. She has worked for 8 years in the acute care and NICU settings, working with patients with neurological, respiratory, cardiac, GI, and other medical and surgical diagnoses. Her passion is helping families become confident in feeding their babies by either breast or bottle and finding feeding solutions for infants with complex feeding challenges. She is a Certified Lactation Counselor and has taken TOTS training for tongue-ties. When she is not helping babies eat, she can be found taking care of her dogs and chickens, cooking something tasty from her garden, or hiking and biking around Arizona with her husband and toddler son.

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Melissa Duncan

Occupational Therapist

Melissa graduated from the University of South Florida with a Bachelor of Science in Health Sciences and her Master of Occupational Therapy at Saint Louis University.

Melissa has experience working with children and adults in a variety of settings including, schools, early intervention, hand therapy, inpatient, and outpatient rehabilitation. She works with children and their families to help facilitate developmental milestones and return of function. Melissa is dedicated to her work in pediatrics and passionate about working with children and their families. Melissa has a special interest in advanced training in pediatric feeding.


Jenna Wilton

Administrative Assistant

Hi everyone! My name is Jenna Wilton. I am just so excited to join the Little Roos team as an Administrative Assistant! I am married with three beautiful daughters. They are fun, loving, and wild, especially my youngest! I am an Arizona girl, born and raised. I have worked in the medical field for 12 years, 4 of those years were specifically therapy-related. I am so looking forward to building relationships with the Little Roos team and our therapy families!

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Matt Mcmillan

Director of Services and Technology

Matt McMillan has a background in supporting technology teams. He is ecstatic to apply the skills he has gained and learn many new ones while directing service and technology for Little Roos. Matt loves spending time with his wife Sarah, his daughter Tessa, and dog Daisy. You can find them hiking trails and trying out restaurants in the Tucson area.