
Strategy Grounded in Evidence,
Not Instinct.
Seglar Advisory pairs decades of enterprise healthcare leadership with hands-on data science and real-world data analytics, so leaders can decide with evidence.
Seglar Advisory LLC delivers hands-on, results-driven strategic advisory for healthcare organizations worldwide. With 25+ years of proven leadership across payers, providers, pharma, analytics, and operational transformation, we turn evidence into decisions and decisions into measurable results, always in service of better outcomes for patients.
Boutique Expertise.
Enterprise Scale.
Four intertwined practices, anchored by the same operating discipline, bridging abstract analytics and operational reality for the most complex decisions in healthcare.
Data-Driven Strategy
Strategic planning grounded in real-world data and clinical evidence. Evidence-based decision frameworks for executives, boards, and investors.
LEARN MOREAI & Predictive Analytics Governance
A dedicated practice for safe, accountable AI adoption: model governance, validation, bias controls, and HIPAA-aware data oversight.
LEARN MOREAdvisory Consulting
Operational transformation for payers and providers. Due diligence for healthcare investors backed by operator-grade analytics.
LEARN MOREExecutive Coaching
Personalized 1:1 mentorship for emerging and senior leaders, blending practical skills with high-performance team building.
LEARN MOREThe proof is in the practice.
Operators, not just advisors
EVP and COO-level experience at Aetna and UnitedHealthcare.
PhD-level data & AI expertise
Real-world data at enterprise scale, with HIPAA and GDPR rigor.
Real-world data depth
Clinical informatics and real-world data analytics built for diligence and decisions.
Measured in outcomes
Verified cost savings for millions of patients across integrated systems.
Proven
Operators.
Multidisciplinary leadership uniting C-suite operating experience, biostatistics and AI, and real-world data informatics under one roof.

Larry Siegel
Principal & Founder
Former EVP at Aetna and Corporate VP/COO at UnitedHealthcare. Operational excellence at enterprise scale.

Elena Koshkina, PhD
Partner, Data & AI Strategy
20+ years across healthcare, pharma, and e-commerce. Turning real-world data into measurable outcomes.

Aurel Iuga, MD
Partner, Clinical Strategy & Analytics
Physician executive bridging clinical strategy, advanced analytics, and AI/ML.
"Larry's coaching has been truly transformative for me. His guidance, support, and belief in my potential helped me grow in ways I didn't think were possible."
"Elena combines deep technical RWD/RWE expertise (US, EU, UK) with exceptional leadership and business acumen. Elena excels at client engagements, fostering relationships built on trust and genuine collaboration."
"Aurel is a dedicated, progressive and analytical healthcare consultant and has helped us in projects related to health, clinical strategy and data modeling. Very highly recommended."
"Working with Seglar Advisory shifted how our executive team frames decisions, from instinct to evidence, without losing momentum."
What decision are you facing?
Tell us about the call you need to make. We'll bring the evidence, and the steady hand to execute on it.
Schedule a Consultation