The Purity Health Leadership Team
The Purity Health Leadership Team brings together more than 150 years of combined experience in healthcare, clinical research, and advanced data analytics. Our leaders have guided clinical programs across multiple therapeutic areas, built high-performing research operations, and driven innovation at the intersection of science, technology, and patient care.
With a shared commitment to quality, compliance, and integrity, the team ensures every study is executed to the highest regulatory standards—delivering reliable data, operational excellence, and meaningful outcomes for sponsors, partners, and patients worldwide.
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Lora Harnack, MSN, RN
Chief Executive Officer
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Rob Bramblett
President & Founder
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Justin Ensey
Commerical Officer & Co-Founder
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Nathan B. Smith, RN
Chief Clinical Officer
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Dr. Jonathan Lakey, PhD, MSM
Chief Science Advisor
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Thad Horst
Chief Operations Officer
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David Andrews
Chief Technology Officer
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Fletcher Watson
Chief Product Officer
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Russ Bramblett, PhD
Chief Financial Officer
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Richard Whitmer
Principal & Co-Founder
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Dr. Krista Casazza, PhD, RD, LD
Chief Science Officer
Purity Health Operations Team
The Purity Health Operations Team is the driving force behind our clinical excellence. Dedicated, detail-oriented, and highly trained in all aspects of clinical research, our operations professionals ensure every study runs with precision, efficiency, and care.
From site coordination and data management to regulatory documentation and quality control, our team upholds the highest standards of accuracy and compliance. Their commitment to consistency and collaboration ensures that each project is executed seamlessly—delivering dependable results and advancing the success of our research partners.
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Ripal Patel
Software Engineer & Data Analytics
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Josh Arnold
Project Manager
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Braton Machleit
Project Manager
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Austin Bramblett
Project Manager
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Savannah Willeke
Project Manager
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Michael Ingram
Project Manager
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Drew Goodman
Associate Software Engineer
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Caily Bramblett
IT Intern
Compliance and Certifications Integrity
At Purity Health, compliance and data integrity are the foundation of our operations. We conduct every study under the highest global standards, including ICH, GCP, and FDA regulations, with full oversight from local IRBs and ethics committees.
Our Quality Management System (QMS) ensures every protocol, monitoring activity, and submission meets rigorous inspection-readiness criteria. We maintain transparent documentation, validated systems, and continuous training to uphold global best practices.
We safeguard all participant data under HIPAA and ISO 27001–aligned infrastructure. Data is encrypted, access-controlled, and protected through full audit traceability.
Purity Health is also committed to accessibility and inclusivity standards across all digital platforms and communications.
Our operations reflect a trust-by-design approach—secure forms, clear privacy policies, transparent disclaimers, and proactive audits ensure ongoing compliance and participant protection.