At the heart of Allegro Richmond Heights is a team of dedicated professionals who bring not only years of experience to their roles, but also a deep passion for enhancing the lives of residents and their families. Each team member plays a vital role in shaping the welcoming, supportive environment the community is proud to offer. Meet the incredible individuals behind the scenes:
Executive Director | Certified Dementia Practitioner
With over 13 years of experience in the senior living industry, Trista McWilliams leads with compassion, integrity, and a heartfelt commitment to enriching the lives of older adults. For the past five years, she has served as an Executive Director in Missouri, and for the last four years, she has held her Certified Dementia Practitioner (CDP) certification—further enhancing her ability to support residents and families navigating memory care.
Trista holds a Bachelor's degree in Public Relations from Southern Illinois University Carbondale. Her passion for senior care is deeply personal, inspired by treasured time spent with her grandparents and early visits to local nursing homes that taught her the importance of connection, respect, and listening.
Trista currently resides in Troy, Illinois, with her fiancé Brendon—who also works in senior living—their two children, Analee and Liam, and their beloved pup, Georgia. As a family, they enjoy traveling, cruising, attending concerts, and making lifelong memories. For Trista, the greatest joy in her work is creating an environment where seniors feel seen, heard, and empowered to thrive with dignity and purpose.
Lead Senior Living Advisor
Cathie Marks brings over a decade of experience guiding families through the often-emotional journey of finding the right senior living solution. Her background in sales and marketing is matched by a deep well of compassion and a gift for creating connections that matter.
Cathie works closely with families every step of the way—from exploring care options to coordinating smooth move-ins—and partners with healthcare professionals, social workers, and elder law specialists to ensure a seamless transition. Trained in dementia care and cognitive wellness, she approaches every conversation with understanding and empathy.
In addition to her professional contributions, Cathie is an active nonprofit board member supporting both animal welfare and public safety. She and her husband recently celebrated 39 years of marriage and enjoy life with their two rescue dogs, Sophie and Penelope.
Dining Services Director
Jas Mehmedovic brings more than 18 years of culinary expertise to our community, with a career rooted in passion, creativity, and a relentless pursuit of excellence. Since immigrating to the United States in 1999, Jas has honed his skills in high-volume kitchens while developing a reputation for outstanding leadership and guest satisfaction.
Jas takes pride in crafting meals that are both nourishing and joyful, always prioritizing quality, presentation, and the individual preferences of those he serves. He excels in menu development, team management, and accommodating a wide variety of dietary needs.
Beyond the kitchen, Jas is a devoted husband and proud father of two. His personal and professional lives are guided by values of care, respect, and continuous growth, making him not only a trusted leader but a beloved presence in the community.
Assistant Resident Services Director
April Johnson, originally from Chicago, brings over 25 years of experience in the healthcare field, including 14 years as a Certified Nursing Assistant and 8 years as a Licensed Practical Nurse. Her career has been guided by a deep passion for serving others with dignity, respect, and compassion. Now living in Missouri, April continues her caregiving journey while raising a teenager and supporting her adult child and young grandchild. Both in her personal life and professional role, April is driven by a commitment to making a meaningful difference every day.
Maintenance Director
Eldin Mujakic’s journey in senior living began long before he became a Maintenance Director—it started at just 14 years old as a dishwasher. That early experience sparked a deep and lasting passion for serving seniors and creating environments where they feel safe, cared for, and at home. With over five years of leadership in maintenance, Eldin brings both expertise and heart to his role, ensuring every detail supports residents’ well-being. When he’s not at work, Eldin cherishes time with his fiancée and their two children, ages 7 and 4, making family memories and enjoying the great outdoors at the Lake of the Ozarks.
Together, this team brings heart, skill, and dedication to everything they do. Their shared mission is simple yet powerful: to create a community where residents feel valued, supported, and empowered to live beautifully every day.
To learn more about Allegro Richmond Heights, click here.