Build a portfolio career. Make a real impact. Put your skills to highest and best use.
Stop betting your career on one pipeline. Fractional work spreads your risk across multiple companies — so no single setback ends your momentum. Fractional leadership is the future of senior biotech work. We connect elite executives to companies at key inflection points. You stay focused on impact. We handle the logistics.
Why Mission Rock
Control & Flexibility
Work how you want. When you want. Multiple companies. Real autonomy.
High-Leverage Impact
No politics. No performative meetings. Just judgment and execution.
Portfolio Economics
Multiple income streams. Broader network. Top performers can out-earn full-time roles.
Path to Full-Time
Test the company. Test the fit. Convert seamlessly—on your terms.
Who We Work With
VP+ operators with a builder and doer mentality.
We work with executives who have owned inflection points and driven them to resolution—not committee members, not advisors-in-title-only. We deploy solo executives and executive pods.
Medical Affairs
Finance
Legal & IP
HR / People
Compliance/Quality
Regulatory Affairs
Program & Operations
Clinical Operations
CMC / Tech Ops
What to Expect
We vet selectively. If you’re accepted to the bench, we match you to companies where your specific background creates real leverage. We handle contracting, billing, and engagement logistics. You show up and lead.
Why Executives Stay
High-impact work
Real influence
Serious teams at real inflection points
Network expansion
Portfolio income that can exceed full-time compensation
