Meet Our Evaluators

Angie Jackson

Angie Jackson
Director of Referrals + Admissions

Angie Jackson joined the On With Life team as director of referrals and admissions in February 2022. She has spent more than 30 years in the healthcare industry, working for 18 years at Pate Rehabilitation in Dallas, Texas before coming to On With Life. Angie earned her Masters in Business Administration and Masters of Science from Southwest Missouri State University and is a speech language pathologist and certified brain injury specialist trainer. Angie serves on the Academy of Brain Injury Specialists Board of Directors through the Brain Injury Association of America and has presented nationally and internationally on the topics of brain injury rehabilitation.

Sonni Ricklefs

Sonni Ricklefs
Rehabilitation Clinical Liaison

Sonni Ricklefs is a registered nurse who has served at On With Life since 2014. She received her Bachelors of Science in Nursing through Mercy College of Health Sciences and is also a Certified Rehabilitation Registered Nurse and a Certified Brain Injury Specialist. Sonni enjoys helping others and loves that On With Life allows her to combine her passions of nursing and neurology.

Barb Cassler

Barb Cassler
Rehabilitation Clinical Liaison

Barb Cassler has been a registered nurse for 36 years with experience in brain injury, mental health, and medical nursing. Barb first became familiar with On With Life when her daughter, Liz Cassler, was served there 13 years ago after a traumatic brain injury, and began her career at On With Life in 2021. She has also served on the Brain Injury Alliance of Iowa's Board of Director's for the past two years.