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Our Team

Rob Burroughs M.S., CCC-SLP

President/ Co- Owner; Speech- Language Pathologist

In 2006, Rob founded The Speech Language Reading Center, along with then partner, Ellen Stowell. Rob retired from active practice in June 2017, after 35 years of service to individuals in schools, hospitals, nursing homes and home health.  He especially enjoyed working with individuals who stutter and with children struggling to learn to read. Currently, he is co-owner and a practice consultant of SLR Center.


Rob and his wife live in Hixson, where he enjoys spending time with their six grandchildren, sharing his musical abilities in the community, reading, hiking and camping.

Rebecca Iwanczyk M.A., CCC-SLP

Vice President/ Co- Owner; Speech- Language Pathologist

Rebecca began working for SLR Center in July 2005 after moving from Orlando, Florida where she attended and graduated from the University of Central Florida. She is passionate about helping children of all ages reach their full potential. She is a certified NeuroNet provider and is trained in several of the Lindamood Bell programs to improve comprehension in all areas of learning.


Rebecca lives in Ooltewah with her husband Tony and her two boys. She loves reading, music, and traveling, especially trips to the beach or the mountains.

Joan Clark M.A., CCC-SLP

Speech- Language Pathologist

Joan began working for SLR Center in 2010. She received her Bachelor’s degree in Speech Pathology from Penn State and her Master’s degree from the University of Houston in Communication Disorders. Most of Joan’s 30-year career has been in public schools. During that time, she wrote two children’s novels about a boy with Asperger Syndrome, was part of an Autism Team, and honed her skills in the area of high functioning autism as she worked on the team. She has worked Carol Gray and is highly skilled in writing social stories. Her expertise in the area of social communication disorders is highly respected.


Joan is married with two adult children. She enjoys hiking, traveling, and above all, family gatherings. 

Dianne Griffith

Billing Specialist

Dianne joined SLR Center in May of 2017. Prior to joining our team, she worked in dental practice management for 25 years. She has extensive experience in insurance and accounts receivable management.

Dianne and her husband Greg moved to Chattanooga in 2014 to be near their children and grandchildren. In her spare time, she likes to spend time with family.

Christian Irwin M.S., CCC-SLP

Speech- Language Pathologist

Christian has worked at SLRC since 2004. She earned her Master's in Speech Language Pathology from Murray State....Go Racers!! Christian works in both the school and clinical setting. She currently serves as the SLP at an elementary and middle school. She loves working with kids in PK- 8th grade.

Christian moved to Chattanooga after visiting when she was a camp counselor at Camp Skyline. She has always loved the mountains and knew that she had to move here to enjoy all that Chattanooga has to offer. Christian LOVES cheering on the Kentucky wildcats and Pittsburgh Steelers!! 

Marla McDaniel M.A., CCC-SLP

Speech- Language Pathologist

Since 2003, Marla has provided speech and language therapy and assessment for children and adults in a variety of clinical, school, community, and in-home settings. Teenagers have a special place in her heart and she provides speech and language services for middle/ high school students in a local magnet school.

Marla and her husband Andy have two sons who keep them very busy. Marla enjoys traveling out west to see her four adorable nieces. An avid reader, she is always on the lookout for a good book to take on trips. She also likes long walks, stand-up paddle boarding, and dessert.

Rob Palmer M.S., CCC-SLP

Speech- Language Pathologist

Rob began working for SLR Center in 2013 after graduating from Tennessee State University with a Master’s degree in Speech and Hearing Science. Since then, he has used his specialized skills to help a variety of individuals improve their communicative abilities. Rob works with a wide array of individuals who demonstrate difficulties with articulation of specific sounds, difficulties expressing thoughts or emotions effectively or appropriately, as well as people who stutter and/or clutter their speech.


Presently, Rob lives in Hixson, TN with his wife and three children. Aside from the daily joys brought by family, Rob enjoys sporting activities, including, soccer, hiking, climbing, camping, and cricket.

Susan Sasse

M.Ed. Certified Psychological Examiner

Susan has been working with special education students for over 30 years. She gained her Master's degree from Georgia State University in Family Therapy. Influenced by her work with children with Autism and Behavior disorders, she went on to get her certification as a School Psychologist and Licensed Psychological Examiner. Susan has worked with Lee University, Chattanooga Christian School, and Hamilton County Schools.

She and her husband, Jim, have two grown children who are adopted from Asia. They live on Signal Mountain and have almost a zoo worth of animals! They attend Signal Mountain Presbyterian Church.

Cheryl Slack

Office Manager

Cheryl joined the SLR Center team in May 2017. She is experienced in office management having worked in a number of businesses and non-profit organizations in the Chattanooga area for over 25 years.

When not busy at the office, Cheryl enjoys cooking, reading, and long weekend visits to see her children and grandchildren in North and South Carolina. 

Tanya Wilkinson M.A., CCC-SLP

Speech- Language Pathologist

Tanya has worked for SLR Center since 2005. After earning her Master’s Degree in Speech-Language Pathology at Loma Linda University in 2000, she began her professional career in the public elementary school setting in Riverside, California. Tanya has always loved the Chattanooga area, having attended Southern Adventist University, so when the opportunity to move back presented itself in 2005, she jumped at the chance! Tanya currently works in both school and clinic settings, partnering with teachers and families to improve her clients’ speech, language, and reading skills.


When not working, Tanya spends time with her two children and enjoys outdoor activities, such as horseback riding and hiking. 

Becky Winkler M.S., CCC-SLP

Speech- Language Pathologist

Becky began working for the SLR Center in October 2017. She moved here from Boston after earning her Master's degree from the Massachusetts General Hospital Institute of Health Professions with a concentration in reading. Prior to becoming a speech therapist, she was a teacher for six years, which sparked her love of helping children improve their literacy skills. She also enjoys working with children of all ages to improve their articulation and language skills. She speaks fluent Spanish.

She lives in Chattanooga with her husband and their cat, Smitty. When she's not working with kids, you'll often find her cooking, working on freelance food photography projects, or developing healthy recipes for her website, A Calculated Whisk.

Kala Woodhouse M.S., CCC-SLP

Speech- Language Pathologist

Kala began working for SLR Center in October 2017. She earned a Bachelor’s degree and a Master’s degree from Jackson State University, located in Jackson Mississippi. She is passionate about working with the pediatric and geriatric populations. She loves incorporating games and craft activities with her kiddos.

Kala grew up in a small country town called Edwards, MS and recently relocated to Chattanooga with her husband, Richard, and their daughter. Her husband is in the Army and her daughter loves being outdoors and climbing. Kala loves cruising the city with her family, meeting new people, cooking, and gardening. 

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Our mission is to provide high quality, individualized communication and reading intervention to children and young adults in the Chattanooga area.

Photography By Beth Palmer