Greg Brophy: Chief Executive Officer

Mr. Brophy has served in a number of diverse operating roles including executive officer roles in two public companies (NYSE & NASDAQ), president of four distinct business groups, and head of business development with significant M&A and corporate finance experience. Operating roles have been in the medical device, biomedical, and healthcare services sectors, with experience ranging from a dynamic high growth environment to division turnaround responsibilities in connection with the break up of a public company. Mr. Brophy holds a B.S. degree in electrical engineering from the University of Notre Dame; a Juris Doctor from the University of Georgia School of Law; and an MBA from the MIT Sloan School of Management.


John Joyoprayitno: Chief Operating Officer, Co-founder

Mr. Joyoprayitno oversees general operations, business development, sales and distribution. Mr. Joyoprayitno has over 15 years of entrepreneurial experience, founding, launching, growing, and managing companies ranging from medical, distribution, automotive, to consulting (medical, utility, technology, recreation). Mr. Joyoprayitno earned an MS in Technology Commercialization from the McCombs School of Business at The University of Texas at Austin.


Sarah Mayes, PhD, RAC: VP of R&D, Co-founder

Dr. Mayes is a co-inventor of the Alafair technology. Dr. Mayes oversees preclinical, clinical, pipeline product development, and regulatory activities. Dr. Mayes earned a Ph.D. in biomedical engineering from The University of Texas at Austin. She earned an MS in material science & engineering from The University of Michigan, Ann Arbor.



Scott Zawko, PhD, CBA, RAC: Chief Scientific Officer

Dr. Zawko is a co-inventor of the Alafair technology. He is an engineer specializing in biomaterials whose work has been published in peer-reviewed journals. Dr. Zawko oversees intellectual property, product development, and quality systems. Dr. Zawko earned a PhD in chemical engineering from the University of Texas at Austin.


Ben Walthall, PhD: Chief Regulatory Officer

Dr. Walthall brings over 30 years of varied experience in new technology and product development. He is the author of numerous peer-reviewed articles and holds several patents in the biomedical field. Prior to joining Alafair, Dr. Walthall served as VP of R&D for Zimmer Biologics where he was responsible for directing biologic and drug delivery R&D in areas such as bone healing, spinal disc regeneration, restoration of soft tissue function, and cartilage repair. He has previously held senior positions in a variety of medical device companies managing technology strategies, portfolio management, and PD. Dr. Walthall earned a PhD in biochemistry from The University of Texas at Austin.


Daniel Peterson, MD: Medical Director, Chairman

Dr. Peterson is a neurosurgeon and an adjunct professor in biomedical engineering at The University of Texas at Austin. He received his MD from University of Colorado Health Science Center School of Medicine, and completed both internship and residency at The University of Texas Health Science Center at San Antonio. Dr. Peterson has consulted for Stryker Spine, Osteomed Spine, and Orthokinematics, and was the Austin PI in a phase III clinical trial using LDR Spine's Mobi-C artificial cervical disc.


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Bhushan Holay: VP of Finance

Mr. Holay has worked in the medical device industry for over a decade, with experience in research, product development, project management, and marketing. Prior to Alafair, he led the product development and commercialization efforts at Zimmer, Inc developing several commercially available implant biologics. Mr. Holay earned an MBA from The McCombs School of Business at The University of Texas at Austin and an MS in chemical engineering from Syracuse University.

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Elizabeth Bucken: Senior Product Development Engineer

Ms. Bucken supports product design, development, and manufacturing optimization. Prior to joining Alafair, Ms. Bucken was responsible for development and manufacturing of cryopreservation and cell culture products at a small medical device company. Ms. Bucken earned an MS from Clemson University in biomedical engineering where she researched tissue-engineered heart valves. 

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Katherine Arnett:  Executive Administrator

Ms. Arnett has over 10 years of experience in healthcare management, with experience in office administration, human resources operations, insurance billing and reimbursement, and marketing. Prior to Alafair, she managed a busy full-service ophthalmology practice with oversight of employee performance, HIPAA compliance, operating budgets, and financial reporting. Ms. Arnett earned a Bachelor of Business Administration in Management and International Business from Baylor University.