Meet The Team
Sashi Silbergleith
CEO
Sashi Silbergleith is the CEO of Arizona Health and Wellness Clinic, the number one patient rated weight loss and performance clinic in Gilbert. He is known for strong executive presence, clear communication, and a leadership style that balances command with collaboration. Silbergleith is recognized in the community as a courageous, caring advocate for evidence based aging, peptide therapy, hormone optimization, and modern lifestyle performance. His mission is to change the way men and women approach aging by helping them maximize vitality, confidence, and longevity.
His background includes work as a global sales leader, top performer, entrepreneur, and IT executive. These roles shaped his ability to lead teams, execute bold strategy, and build high trust environments. He holds a BA in Business Management and remains driven by a lifelong passion for bodybuilding, training, TRT, and peptides.
Diana Silbergleith
Chief Operating Officer
Diana Silbergleith is the Chief Operating Officer of Arizona Health and Wellness Clinic, where she leads with clarity, compassion, and a personal understanding of the wellness journey. Her experience with weight loss and hormone optimization gives her a unique ability to guide patients through their own transformation with empathy and confidence. She is known as a credible, warm, and supportive leader who listens closely and helps people feel seen and understood.
Silbergleith oversees operations, patient experience, and process improvement across the clinic. Her achievements include streamlined patient care processes, new field marketing initiatives, successful software upgrades, and strengthened local business partnerships. Her leadership style blends clear expectations with fairness, motivating teams to perform at a high level.
Before joining the clinic, she served as Vice President of Sales Operations for a publicly traded IT services company. She holds a Bachelor of Arts from the University of Oregon and is a member of BNI Arizona.
Jennifer Fried
Lead Medical Assistant
Jennifer Fried is the Lead Medical Assistant at Arizona Health and Wellness Clinic, known for her uplifting, confidence building approach to patient care. She builds genuine relationships, motivates individuals through challenging moments, and creates a supportive environment that helps people believe in their own potential. Patients trust her consistency, compassion, and ability to keep them motivated during their wellness journey.
Her contributions to the clinic include improved patient outcomes, positive team morale, strong client relationships, and a growing number of referrals from satisfied patients. She brings experience as a Medical Assistant, Radiologic Technologist, and Massage Therapist, along with Styku and World Aesthetics Certifications. Her leadership style focuses on connection and trust, which strengthens both patient experience and team cohesion.
Her mission is to inspire and empower others to pursue wellness and confidence with belief in themselves.
Savannah Klein
Director of Aesthetic Medicine
Savannah Klein serves as the Director of Aesthetic Medicine at Arizona Health and Wellness Clinic, where she leads with precision, artistry, and a patient centered approach. She is known for natural, confidence building results and for her skilled, compassionate care. Her leadership blends transformational and situational styles, allowing her to elevate team performance while ensuring patient safety and education remain top priorities.
She is certified in advanced facial aesthetics and has developed a reputation for meticulous detail, personalized treatment plans, and strict adherence to compliance standards. She mentors new staff, strengthens clinical protocols, and fosters trust through clear communication and thorough patient education.
Klein is an Adult Gerontology Primary Care Nurse Practitioner and is ANCC Board Certified, with affiliation through the American Nurses Association. Her mission is to enhance patient confidence through a blend of artistry, clinical skill, and innovative aesthetic practice.
Sierra Stevens
Communications and Patient Support Specialist
Sierra Stevens is the Communications and Patient Support Specialist at Arizona Health and Wellness Clinic, where she blends clinical training with strong communication and digital outreach skills. She is reliable, compassionate, and known for creating a positive, supportive patient experience. Sierra helps streamline workflow, manage patient communication, and increase the clinic’s social media presence.
Her background includes long term care, gym front desk service, office support, and clinical roles, which give her broad insight into patient needs and workflow organization. She brings a service driven and collaborative approach, building trust through clear communication and consistent follow through.
Sierra holds a BA in Biology, a CNA license, and a CMA license. She is nearing completion of her RN-MSN and is positioned to step into advanced clinical leadership.
Her mission is to help every patient feel valued and supported, and to ensure their wellness journey ends with confidence and renewed energy.
Katie Groebe
Patient Services Director | Service Excellence | Patient Experience Leadership
Katie Groebe is a Patient Services Director recognized for her ability to elevate patient experience through strong leadership, operational clarity, and authentic connection. Known for her compassionately bold approach, she blends enthusiasm with execution, creating environments where teams perform and patients feel genuinely supported.
In her current role, Katie collaborates across departments to implement best practices informed by prior leadership experience, strengthening service delivery and consistency. Previously, she served as a Pilates Studio Manager, where she transformed a struggling studio into a million-dollar top producer through team mentorship, member engagement, and culture-driven systems.
Katie’s leadership style is decisive and people-centered. She is driven by a personal mission to surround herself with individuals who value wellness, happiness, and intentional living. She holds a Bachelor of Science degree and is a certified Barre instructor.
