We are
One Health Solutions
Making Integrated Health Models Central to System Success
A complete strategy for operational success in both domestic and global markets
Our service model is built to support the core priorities of health system executives. Whether you're aiming to improve cost efficiency, drive new revenue, reduce compliance risk, or define a clear strategic direction, we bring deep operational expertise—in pharmacy and data-information technology solutions—to deliver strategies aligned with your enterprise goals.
Margin & Cost Optimization
Workforce modeling, contract review, resource allocation, formulary optimization
Revenue & Growth Enablement
Retail, mail, specialty, 340B, infusion
System Integration & Compliance
Accreditation support, centralized services, regulatory readiness, and data governance
Strategic Transformation
Operational assessments, workflow redesign, analytics and EHR enablement, and strategic roadmap development
Flexible, Transparent, Outcome-Focused
We don’t just recommend—we deliver. Every strategy we build is designed for measurable, meaningful outcomes.
Focused on unlocking the full potential of high-impact health systems systems with big potential
+500
Health systems with revenue <$1.1B
+113
Systems undergoing M&A or transformation
60%
Hospital-based systems looking to expand revenue through pharmacy operations
Our leadership team
Built by Health System Leaders—pharmacy and information technology solutions from the inside, for the inside.

Chief Executive Officer
Kersten Weber Tatarelis
MBA, PharmD, BCPS, FASHP, FACHE
A nationally recognized pharmacy leader, Kersten brings 20+ years of experience driving clinical, operational, and strategic transformation across integrated health systems.

Chief Operating Officer
Cole Wilson
MBA, PharmD
A nationally recognized pharmacy leader, Cole brings deep expertise in pharmacy operations, payer strategy, and business development—helping health systems and pharmacy organizations optimize performance, improve access, and drive sustainable growth.

Chief Strategy and Growth Officer
Vince Jackson
MBA, PharmD
A nationally recognized pharmacy leader, Vince brings 20+ years of experience advancing clinical innovation, driving enterprise growth, and leading strategic transformation across integrated health systems.

SVP, Global Strategy
Russ Hinz
BSN, MS
Russ brings deep expertise in EHR transformation, clinical operations, and digital strategy. He is known for delivering complex initiatives at scale, including leading Epic integration efforts across domestic and international markets. Russ combines clinical insight with a proven track record of innovation, global execution, and strategic alignment in diverse healthcare environments.
How we work
Turning Operational Insight into System Advantage
Discovery Assessment
Low-cost initial engagement with clear next steps
Targeted Projects
Deep focus on high-priority pharmacy and information technology initiatives
Shared Value Partnerships
Performance-tied incentives aligned to results
Less talk. More action. Real implementation.
Our value lies not just in what we deliver—but in how we work. OHS was built to remove the friction and inefficiency that often comes with traditional consulting. By combining healthcare system insight with a startup mindset, we move faster, adapt smarter, and embed more deeply with our clients than big-box firms ever could. We bring high-touch guidance, real partnership, and a relentless focus on impact—because our success is measured by yours.
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