Our Team
Gilan Cockrell, OD, FAAO
Chief Executive Officer
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Dr. Cockrell practiced optometry in Emporia, Kansas, from 1980 to 2014. In 1998, Dr. Cockrell served as President of the Kansas Optometric Association. He served on the Kansas State Board of Optometry from 2004-2014, was Chairman of the AOA State Government Relations Committee from 2007-2009, and served as Chairman of the AOA Oversight Committee in 2007. Dr. Cockrell became CEO of Williams Group in April of 2015.
(OD, FAAO)
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Brad Rourke, CPA, ABV
Chief Financial Officer
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During his nearly 20 years working with Williams Group, Brad has helped our clients with financial reporting, tax planning, practice appraisals, cash flow, and doctor compensation arrangements. Brad is a licensed Certificate Public Account and Accredited Business Valuator through the American Institute of Certified Public Accountants.
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Bill Nolan
President of Practice Transitions
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Bill Nolan has been in practice management consulting with Williams Group since 1989. Bill is a well-known lecturer in the industry and has presented at all of the major optometric venues in the United States, Canada, and Australia on staff management, optometric business finance, and organizational management. He also extensively consults on practice transitions and exit/entry strategies for practice ownership.
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Tammi Sufficool, MBA
Vice President of Practice Transitions
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Tammi Sufficool brings more than 20 years of experience working in the optometry industry. She has helped hundreds of optometry practices with their finance, marketing, human resources, and business management. Currently, Tammi leads a team focused on implementing innovative tools, new ideas, and building strong foundational processes. Tammi earned an MBA from the University of Nebraska–Lincoln.
(MBA)
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Robin Elliott
President of Consulting
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Robin graduated from the University of Kansas with a Bachelor of Science in Business Communication. With more than 22 years in business management, Robin has worked in the optometric industry for 14 years as both a Williams Group client and business consultant. Nine of those years have been dedicated to helping our industry grow across North America.
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Thomas Beckmann
Accountant
Patrick Beezley
Accountant
Oliver Blaha
Accountant
Michelle Bogeart
Executive Management Coach
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Michelle has been in the optical industry for 12 years. She has been in both retail and private practice settings and has worked alongside many valued optometrists. Positions she has held include Practice Administrator, Insurance and Billing Specialist, Marketing Coordinator, Optician, and Clinician.
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Tom Breen
Vice President of Practice Transitions
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Tom has been involved in the eyecare industry for over 25 years and has experience with numerous lab, optical, and industry groups. He leads all the practice transition services at Williams Group.
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Maritza Castilleja
Executive Management Coach
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Maritza has over 10 years of experience working with dozens of doctors in both optometry and ophthalmology. She is well versed in all positions of the practice. She is committed to helping her clients confidently implement modern technology and best practices into their offices. Her passion for the industry inspires business owners and staff to reach their goals.
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Shaun Damico
Director of Operations and Sales
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With Shaun’s background in the United States Air Force combined with 15+ years of experience in optometry & ophthalmology, a degree in Healthcare Administration, and a passion for leadership, he is uniquely qualified to provide insight into evolved practice management techniques as well as unparalleled patient experience.
(BS of Healthcare Administration, Prior ABOC, Prior NCLE)
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Connor DeBusk
Billing & Collections Manager
Brandon Farringer
Accountant
Tyler Grindstaff
Accountant
Sheila Hayes
New Business Advisor
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Sheila has been a part Williams Group since 2011. She has a love for optometry and serves as a New Business Advisor, preparing clients for ownership success. A Nebraska native, she lives in Lincoln, NE with her husband, Mike. If you were to catch her outside of work you would likely find her working on a home improvement project, reading, or traveling to see her grown children.
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Deanna Hartung
Payroll & Benefits Administrator, A/P Administrator
Archie Keebler, CPA
Accountant
Brittney Kelshaw
Creative Manager
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With over eight years of healthcare consulting experience and a passion for social media, Brittney is our Creative Manager. She has a way with words and loves creating content, managing engagement and developing ads. Finding the right voice to meet the target audience she believes is the key to success.
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Michele Korth
Practice Management Coordinator
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Michele has served Williams Group clients for over 15 years. She accepted the position while finishing her Associate's Degree in Business with an emphasis in Marketing and continued her education earning a Bachelor’s Degree in Human Resource Management. She actively volunteers on her local TeamMates Mentoring Board, is a Senior High Youth Leader & Youth Volleyball Coach.
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Jamie Lisko
IT Manager
Patrick McReynolds
Accountant
Sandra Mueller
Client Relations Coordinator
Bess Ogden
Director of Education and Training
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Bess has been part of the Williams Group consulting team since 2006. She resides with her husband, Tom, on the northern California coast, where they enjoy exploring the beaches, forests and mountains during their free time.
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Ellie Rogers
Practice Management Director
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Ellie is a certified paraoptometric with 20 years of experience in the optometric field. Her knowledge covers many facets including, administration, clinical testing, and optical management. Over the past 20 years, she has developed a passion for superior customer service, with a sense of ease and the ability to listen and fulfill patient’s needs.
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Meghan Sances
Director of Marketing
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Meghan graduated has over a decade of experience working in the healthcare consulting industry. She has helped dozens of practices improve their brand presence and marketing strategy. Meghan is skilled in graphic design, branding, reputation management, social media management and advertising, web design, and patient communication systems.
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Kim Vidal
Director of Administrative Practice Transitions Services
Stephanie Watson
Executive Management Coach
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Stephanie uses her experience as a tremendously successful Williams Group client, studies in Business Administration, Marketing, Leadership, Health Promotion, CPOA certification, and passion for the patient experience, to identify opportunities for positive change, surrounding all facets of practice management. Stephanie resides near Wichita, Kansas where she enjoys family, music/sporting events, photography, church, and community involvement.
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Rebecca Zoz
Client Development & Communications Manager