Physical Therapists


download-1Cathy Harcke PT, DPT

Cathy Harcke PT, DPT has worked in pediatrics since 1999 and graduated from U.S.C. with a doctorate in Physical Therapy in 1998. She also has a B.S. in Biology from U.C.L.A. (1995). Cathy has worked in several pediatric settings, including outpatient, inpatient, and home health. Previous employers include Lucile Packard Children’s Hospital at Stanford, California Children’s Services (CCS/ Santa Clara County), and Every Child Achieves. In addition to clinical experience, Cathy published her first book, Cracking the Motor Mystery, in 2011. She also served as the author of the gross motor cards for NurtureU Activity Cards for Mama and Baby, a developmental product released in 2016. Cathy is the mother of two school aged children. She enjoys reading, running and other exercise, swimming, roller skating, and playing with her children. Cathy Is excited to be part of the CDK team and work in such an enriching environment with so many skilled co-workers and wonderful families.

Frances Kwan PT, DPT

Frances Kwan, PT, DPT obtained her Doctor of Physical Therapy from USC in 2007.  She completed a clinical research internship at the National Institutes of Health in Bethesda, Maryland on the topic of Osteogenesis Imperfecta in the pediatric population.  Her clinical experience includes outpatient orthopedics and neurological settings, inpatient rehabilitation, transitional care and acute care.  Frances was born and raised in Southern California.  She enjoys baking and decorating cakes, going on long walks and spending time with her husband and two school aged boys who are into all things baseball.  Frances is excited to work with the multidisciplinary team at CDK and the wonderful families.

Sarena Lu PT, DPT

Sarena Lu PT, DPT, received her Bachelor of Science degree in Kinesiology with an emphasis in exercise science from California State University, Northridge in May 2014.  In addition to her academics,  she was involved in a lifespan development research study as a data collector to analyze children’s choice in play equipment.  She obtained her Doctorate of Physical Therapy from the University of Southern California in 2017. Her clinical placements includes outpatient pediatrics, inpatient acute pediatrics, outpatient orthopedic and inpatient adult rehab.  Sarena was born and raised in Southern California.  Sarena’s hobbies includes hiking, traveling, camping, tennis and playing with her two dogs, Tommy and Joe.  Sarena is excited to be a part of CDK’s multidisciplinary team and to work with the wonderful families at CDK.