Physician-led life sciences advisory

Accelerating innovation
from discovery to patients.

HEOS brings experienced pharmaceutical leadership, scientific rigor, and hands-on execution to the decisions that define an asset, a pipeline, and an organization.

One partner across the product lifecycle

Evaluate assetsDevelop strategyBuild organizationsGenerate evidenceExecute launchMaximize value

Our capabilities

One seamless portfolio.
Eight ways to move forward.

From asset decisions and development strategy through organization buildout, talent, training, evidence, and execution—HEOS meets you at the point of greatest need.

Why HEOS

Advice grounded in having done the work.

We are not career consultants observing from the sidelines. HEOS is led by pharmaceutical executives who have built teams, advanced medicines, navigated regulators, evaluated assets, generated evidence, and prepared organizations for launch.

Meet our leadership
25+Years of pharmaceutical leadership
14NDA / BLA programs supported
9Global product launches
1,400Largest organization led
01

Scientific excellence

Deep therapeutic, clinical, regulatory, evidence, and commercial expertise.

02

Expert leadership

Seasoned pharmaceutical executives who have built, led, and scaled.

03

Global perspective

Broad experience across markets, therapeutic areas, and organizations.

04

Measurable impact

Clear priorities, defined outcomes, and sustainable performance.

05

Integrity & trust

Independent advice, discretion, and your success as our measure.

How we partner

Senior expertise, shaped around your reality.

Targeted advisory, embedded leadership, or an integrated expert team—scaled to the decision and the stage of your business.

01

Biotech CEOs & Boards

A trusted senior partner for critical milestones, financing decisions, organizational growth, and enterprise value creation.

02

Pharma & Portfolio Leaders

Independent assessment and experienced execution across products, portfolios, lifecycle opportunities, and integration challenges.

03

Clinical & Medical Leaders

Flexible expertise that strengthens development, evidence generation, medical affairs, field medical, and launch capabilities.

Physician executive leadership

Dr. Ravi Tayi, MD, MPH

Founder & Managing Member · Fractional CMO, CSO & Head of R&D

A physician executive with more than 25 years of leadership spanning clinical development, medical affairs, regulatory strategy, pharmacovigilance, portfolio strategy, business development, and commercialization across global pharmaceutical organizations.

Clinical DevelopmentMedical AffairsRegulatorySafety & PVPortfolio Strategy

Let's move the science forward

What is your next critical decision?

Tell us where the opportunity—or the uncertainty—is. We'll help you define the clearest path forward.