SUSAN SIROTA, MD, CEO
Dr. Susan Sirota, our PediaTrust CEO, has dedicated over 30 years to providing pediatric care in independent primary care practice. She is a founding owner of PediaTrust having served the Chairperson of the Board of Managers prior to moving into the CEO role. She holds the position of Assistant Professor of Clinical Pediatrics at Northwestern Feinberg School of Medicine, where her excellence in teaching has been recognized, notably with the 2022 Department of Pediatrics Distinguished Individual Contributed Service Award.
Nationally recognized for her leadership in pediatric practice management, innovation, and education, Dr. Sirota is actively involved with the American Academy of Pediatrics (AAP) where she participates in the AAP Section on Administration and Practice Management and serves on the Executive Committee of the AAP National Conference and Exhibition Planning Group.
Dr. Sirota has a long history of volunteering for numerous community programs. In her personal time, she enjoys reading, downhill skiing, and outdoor activities with her family and their dogs.
VICKI WHILDIN, COO
Vicki is a results-driven health care executive with over 20 years of extensive experience transforming operations and driving organizational excellence across both private and non-profit sectors. As Chief Operating Officer at PediaTrust, she oversees all clinical, financial, and operational functions while advancing strategic growth, fiscal stewardship, and employee engagement. Known for her strategic vision and collaborative leadership, Vicki has developed leadership training programs, implemented data-driven performance systems, and managed multimillion-dollar hospital and residency partnerships. A champion of health equity and organizational development, Vicki holds a Master’s in Sociology from DePaul University and a Bachelor’s in International Business and Spanish from St. Mary’s University. In her personal time, she enjoys spending time with her family whether its downhill skiing or boating at the lake.
BRETT DANIS, CIO
Brett Danis is the Chief Information Officer of PediaTrust, bringing 25+ years of hands-on, roll-up-your-sleeves leadership across IT services, cloud architecture, and cybersecurity. He drives the organization’s technology vision while remaining deeply engaged in day-to-day execution - architecting systems, stabilizing complex networks, and championing practical innovation that actually moves the needle.
Known for speaking fluent tech and business, Brett has a knack for translating complex systems into clear, common-sense strategy that stakeholders can rally behind. His expertise spans high-availability infrastructure, enterprise networking, cloud platforms, EHR integrations, and HIPAA-aligned security frameworks. Whether strengthening cyber resilience or modernizing workflows across multiple clinics, Brett focuses on solutions that boost performance, reliability, and organizational sanity.
When he’s not guiding digital transformation or putting out surprise cyber-fires, Brett can be found golfing, downhill skiing, enjoying live music, or spending time with his wife, Lauren, and their family.
SANDRA GRABA, DIRECTOR, MEDICAL SERVICES
Dr. Sandra Graba is a board-certified pediatrician and Director of Medical Services at PediaTrust. With 15 years of experience in primary and immediate care, her clinical and leadership work is grounded in a commitment to excellent patient care and strong physician support and advocacy. She oversees clinical quality and safety initiatives, develops evidence-based clinical protocols, and ensures clinicians and staff have the resources and communication needed to deliver excellent care. She also focuses on the responsible integration of technology in medicine. Outside of work, she enjoys time with family, reading, travel, photography, and design.
