Board of Directors


Mike Mallory - President
Retired - CEO, Second Harvest Food Bank

Sylvia Orozco - Vice President
Vice President, Oak Valley Community Bank

Kim Viviano - Secretary
Executive Director of Assisted Living, Bethel Retirement Community

Kathy Lee - ​Director
Executive Director, Central Valley Community Impact

Dezaree Seeds, CFP, MBA - Director
Vice President, Sierra Ocean Custom Wealth
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Christy Walker - Director
Retired Teacher | Young at Heart Fitness Instructor

Robert McGrew, MD - ​Director
Retired Family Physician

Jessica Domingos, PT, DPT - ​Director
Physical Therapist, Home Health

Kirsten Salas - Director
Director of Grants and Programs, Second Harvest Food Bank

​Denny Gold - Emeritus

Healthy Aging Association Staff

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Executive Director & Program Manager
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Program staff (left to right) Jessica and Samantha

Dianna L. Olsen
Executive Director

For over 20 years Dianna has been the Executive Director of Healthy Aging Association. Prior to working for Healthy Aging Association she was the Executive Director for 18 years for Community Housing and Shelter Services. Prior to that she worked as the Director of Social Service/Business Administrator for the Salvation Army from 1976 through 1999. Dianna is currently apart of the United Way-Health and Health Wellness Council, Stanislaus Health Services Agency - Local Implementation Group, United Way - Partner Agencies Association, and she is the President for Stanislaus Emergency Food and Shelter Program Board. As the Executive Director of Healthy Aging Association she implements the strategic goals, objectives and mission of Healthy Aging Association, enables the Board of Directors to fulfill its governance function and gives direction and leadership to the day-to-day program implementation.

Samantha Borba, M.A. | Health and Fitness Program Manager
American Council on Exercise (ACE) Group Fitness Instructor and ​ACE Senior Fitness Specialist

For nearly 10 years, Samantha has worked with older adults through the Healthy Aging Association. Samantha has a passion for improving the life of older adults. She strives to provide well rounded programs that help older adults move with ease, reduce falls, and to remind them the importance of healthy eating through-out their life.  Samantha earned her Bachelor's Degree in Kinesiology with a concentration in Health and Wellness Promotion from California State University, Stanislaus in 2011 and her Master's degree in Kinesiology, Exercise Science option from Fresno State University in 2014. She presented her thesis findings at the American College of Sports Medicine (ACSM) Annual World Conference in Orlando, Florida in May 2014. 
​As a Health and Fitness Program Manager she is responsible for design and implementation of all fitness, nutrition, fall prevention and social programs to enhance the quality of life of older adults. She also manages the daily operations of the organization. Samantha has been a Certified American Council on Exercise (ACE) Group Fitness Instructor since 2018 and earned her certification as an ACE Senior Fitness Specialist in 2020. She trains, certifies, and oversees volunteers in Young at Heart Strength Training (since 2012) and in the A Matter of Balance (since 2017).
In her personal life, she enjoys spending time with her husband and daughters. As a family you can usually find them at the beach or out somewhere making memories. She enjoys group exercise classes where she can feed off of the energy of others and help create the energy for others. She loves spinning and doing high intensity workouts.

Jessica Enes, B.A., CHES | Fitness Program Coordinator ​and Health Educator

Jessica became a part of Healthy Aging Association in March 2017, after spending some time interning and volunteering for our organization. Jessica earned her Bachelor's Degree in Kinesiology with a concentration in Health and Wellness Promotion from California State University, Stanislaus in 2016. The relationships she has created with older adults in the community through the programs and services Healthy Aging Association offers has touched her life in such positive and impactful ways.
As a Fitness Program Coordinator she assists with the design and/or implementation of the Young at Heart Fitness programs, the Go Green for Seniors Green Bag Program, and the day to day operations of the Healthy Aging Association. She facilitates nutrition, health, and wellness topics in both group and individual settings. Jessica has been a Certified Health Education Specialist (CHES) since 2017. Jessica has been leading Young at Heart Strength Training since 2016 and she assists in training and certifying new instructors. Jessica also is a Certified A Matter of Balance Master Trainer and has been leading classes since January 2018. 
In her free time, Jessica loves spending time with family and friends and exploring the outdoors. She enjoys going on hikes with her husband and baby and taking adventures to new places.

Sean Sullinger | Health Program Coordinator ​and Health Educator

Sean joined Healthy Aging Association in November 2021 as our Health Program Coordinator.  Sean is passionate about working with older adults because he wants to have a positive impact on the older communities daily lives.  He also loves to help people live an overall better quality of life, and is a big believer in injury prevention.  Sean is the main program coordinator for the Dignity At Home program. He helps clients find ways to make their homes safer to prevent falls. He also provides presentations on COVID-19 and overall health and wellness to older adults.
Sean is a certified Young at Heart Strength Training Instructor (Since February 2022) and leads class weekly virtually on Zoom. He is a certified A Matter of Balance Coach (March 2022), and completed the 16-hour training to lead Tai Ji Quan: Moving for Better Balance in March 2022. 
Prior to joining Healthy Aging Association he served in the United States Army and continued on to get his AA Degree from Irvine Valley College. He is currently a student at California State University, Stanislaus where he is pursuing his degree in Kinesiology to eventually become a Physical Therapist.
In Sean's free time he likes to do anything outdoors, he especially enjoys camping, hiking and rafting. His favorite way to work out is by going for a nice run outside or at a trail. For that full body workout, you can find him in the gym lifting weights.

Andrea Garza | Health Educator 

Andrea joined Healthy Aging Association in May 2022. She is a positive and upbeat individual who has years of experience in a fast paced, customer service environment. She is excited to build trust and adapt to the many programs that Healthy Aging Association offers. She is passionate in working with older adults and grew up with an older father. He was a great role model that was active in her life and in her children's life. He taught her that an older adult can live a long and healthy life.

Andrea is fluent in English and Spanish and assists in design, implementation and outreach in all fitness, nutrition, fall prevention and social programs to enhance the quality of life for older adults. In her free time she enjoys crossword puzzles and scrapbooking. She enjoys playing sports (basketball and baseball) with her children and evening walks.

Crystal Ram | Program Assistant and Health Educator

Crystal is currently a student at California State University, Stanislaus. She is working on her bachelors in public health with a desire to then continue her education in nutrition. She is passionate about working with older adults because she wants to inspire and motivate them to live a healthier life.
Crystal assists with outreach in fitness, nutrition, and COVID-19. She presents health topics at facilities, senior centers, and through-out the community. She started her journey Healthy Aging Association at the end of April 2022 and will be with us through the summer.
In her free time you can find Crystal painting or at the beach. Crystals favorite way to workout is to go to the gym to stretch, lift weights and occasionally practicing yoga.

Roberta Sardell | Volunteer

Roberta is a dedicated volunteer that takes time out of her busy schedule to come into the office to assist with data entry, phone calls, and preparation for programs. She volunteers over 45 hours of time each month.  She assists with office duties, home assessments and story write ups for the Dignity At Home - Fall Prevention Program, and she is a certified A Matter of Balance Coach (since March 2022). 
Roberta has a friendly face in our programs and an inviting voice on the phone to a large amount of program participants. She has been able to connect with many older adults during these challenging times with the reopening of in-person programs due to the COVID-19 pandemic. We are grateful for her willingness to serve older adults in our programs and the spirit of encouragement she embodies for them to live healthy lives.
Roberta does daily exercise each morning and joins in the Young at Heart Strength Training class offered on Zoom twice a week.