Meet Our Team

Carl Zimmerman | Managing Partner at Arroyo GardensCarl Zimmerman, Managing Partner

Carl has been employed in Senior Communities continuously for nearly 30 years and proudly working for the same company his entire career.
He is a Certified Nursing Facility Administrator as well as a Certified Assisted Living Center Administrator. He has degrees in Institutional Management, Health Care Administration as well as nutrition and is a licensed Insurance Producer. Carl can be reached at

Amy Malkin | Manager and COO of Arroyo GardensAmy Malkin, Chief Operating Officer 

Amy Malkin has been in the senior living industry since 1989, starting her career in a sister facility of Santa Rita that was located in Glendale, Arizona. She has a strong dietary and nutrition background, but has learned many other things along the way. Amy currently serves on the as the Region 2 Representative for the Arizona Health Care Association’s Board of Directors.  Amy is married and has 3 children. In her free time she enjoys spending time with her family and friends. Amy can be reached at


Jennifer Hernandez, Executive Director

Jennifer is the Executive Director at Arroyo Gardens.     Jennifer has worked in senior care for over 20 years.  All 20 of those years with Pioneer Health.   Jennifer is the Co-Chair for the Southern Arizona Activities Professional’s Chapter. She is a certified activity professional.  Jennifer was recently chosen to participate in the Arizona Health Care Association’s Executive Leadership Program. Jennifer resides in Sahuarita, where she has 4 beautiful children that occupy her time away from work. Jennifer can be reached at or (520) 867-8583.

Ericka Michel LPN | Wellness Nurse at Arroyo GardensEricka Michel LPN, Wellness Nurse

Ericka comes to us with many years of experience in the post acute setting. She is passionate about healthy living, education, and caring for others, but improving the lives of her patients, is at the core of why she became a nurse. Her long term career plans include furthering her education in nursing. Ericka is a proud mother of 3. In her free time she loves to spend time with her husband, children and 2 dogs. Together they enjoy going on adventures and traveling around the world. Ericka can be reached at (520) 867-8501 or

Mayra Haro | Environmental Services Coordinator at Arroyo GardensMayra Haro, Environmental Services Coordinator

Mayra Haro has enjoyed working at Santa Rita Nursing and Rehabilitation since 2011. She is married and the proud mother of three daughters who she spends her free time with. Mayra can be reached at


Sara Harris, Life Enrichment Coordinator

Sara is our Life Enrichment Coordinator. She comes with many years of experience in healthcare and Cosmetology. Sara started her career in Colorado and moved to Arizona in the beginning of 2020 to be closer to family. She is the mother of 3 boys who occupy most of her time when she is not at work. As a family they enjoy crafts, gardening and catching all the new critters Arizona has to offer! Sara can be reached at

Dani McDermott, Community Liaison Dani McDermott, Community Liaison

Dani McDermott is our Community Liaison. Dani is a Sahuarita/Green Valley Native.  She loves working in senior healthcare and helping folks find their forever home. Dani is the Mother of 6, and married to her high school sweetheart. Dani can be reached for a tour at (520) 625-7737 or