Nexagen Search
Nexagen Search

Building the Teams Behind Breakthrough Therapies

Milestone-driven recruiting for companies advancing biomedical innovation 

Executive Search

Scientific Recruitment

Scientific Recruitment

Secure transformative leaders who shape trajectory and drive results.

Scientific Recruitment

Scientific Recruitment

Scientific Recruitment

Precision hiring across discovery, development, and technical operations. 

Consultant Support

Fractional Talent Leadership

Fractional Talent Leadership

Vetted professionals for short-term execution, bridging gaps during growth or transition. 

Fractional Talent Leadership

Fractional Talent Leadership

Fractional Talent Leadership

Embedded recruiting support for early-stage biotech companies scaling without internal TA infrastructure.

The Right People at the Right Milestone

We align hiring strategy with scientific and operational inflection points - reducing execution risk and accelerating progress. 

Discovery

Commercial Readiness

IND Enabling

Research

Drug Discovery

Computational Biology 

Translational Science 




IND Enabling

Commercial Readiness

IND Enabling

Nonclinical/Preclinical 

CMC

Regulatory Affairs 

Program Leadership
 


Phase I/II

Commercial Readiness

Commercial Readiness

Clinical Development 

Translational & Biomarkers 

CMC Scale Up 

Operations & Infrastructure
 



Commercial Readiness

Commercial Readiness

Commercial Readiness

Manufacturing & Quality 

Commercial Strategy 

Corporate Infrastructure
Legal/Compliance 





Biotechnology & Pharma

Companies developing therapeutics across oncology, immunology, neurology, and rare diseases.

Platform Technologies

Organizations pioneering tools that accelerate drug discovery and development, including AI/ML platforms, single-cell and spatial omics, and antibody discovery technologies.

LIfe Sciences Tools & Consumables

Providers of reagents, assays, and instrumentation supporting research and manufacturing.

Contract Services & Manufacturing

CROs, CDMOs, and CMC organizations driving quality, scalability, and operational excellence.

Jeff Caskey | Founder & Managing Partner

With over a decade of experience in life sciences recruiting, Jeff takes a hands-on, relationship-driven approach to every partnership. He understands that each biotech company has its own mission, culture, and challenges — and tailors every engagement to reflect that individuality. Known for his ability to bridge business strategy with scientific understanding, Jeff works closely with founders, executives, and hiring leaders to design search strategies that align talent with purpose and long-term growth.

De-risk the Hiring Process

Over the last 5 years, Jeff has maintained a 97%+ one-year retention rate for full-time hires.  This has been accomplished by building relationships with companies and candidates that are grounded in trust, transparency, and results. His deep understanding of life sciences recruiting, enables him to deliver data-driven insights and market intelligence that help clients make confident, strategic hiring decisions.

Trusted Industry Partner

Having successfully executed more than 200 searches across the biotech ecosystem, Jeff has cultivated a global network of scientists, executives, and technical experts. He partners with companies from early discovery startups to commercial-ready organizations — and brings the experience needed to navigate the complexities of  search with precision and integrity.

Recent Hires

VP,  Drug Discovery (Oncology)

Senior Director, Biology (Autoimmune) 

Senior Director, Bioinformatics

Director, Antibody Discovery

Principal Scientist, Immunology (Cell Therapy)

Senior Scientist I, Biology 

Senior Scientist, Drug Discovery (Antibody) 

Senior Scientist, Antibody Discovery

Senior Scientist, Preclinical Development

Senior Scientist, 

VP,  Drug Discovery (Oncology)

Senior Director, Biology (Autoimmune) 

Senior Director, Bioinformatics

Director, Antibody Discovery

Principal Scientist, Immunology (Cell Therapy)

Senior Scientist I, Biology 

Senior Scientist, Drug Discovery (Antibody) 

Senior Scientist, Antibody Discovery

Senior Scientist, Preclinical Development

Senior Scientist, Cell Biology (Cell Therapy)

Senior Scientist, Biology (Neuro) 

Scientist, Translational Research

Scientist, Cell Therapy R&D

Scientist II, Antibody Discovery


Executive Director, Clinical Ops

Director, Clinical Science
Associate Director, Clinical Biomarkers
Associate Director, Clinical Ops
Senior CMC Program Manager
CMC Lead, Biologics

Scientist, Toxicology
Senior Scientist, Biomarkers 

Director, Analytical Sciences
Director, Protein Purification
Director of Analytical Development
Director, CMC 

Executive Director, Clinical Ops

Director, Clinical Science
Associate Director, Clinical Biomarkers
Associate Director, Clinical Ops
Senior CMC Program Manager
CMC Lead, Biologics

Scientist, Toxicology
Senior Scientist, Biomarkers 

Director, Analytical Sciences
Director, Protein Purification
Director of Analytical Development
Director, CMC Program Management
Associate Director, Downstream PD
Principal PD Scientist

Senior Scientist, Process Development

Project Manager, CMC

Head of Business Development 

Senior Director, Program Management 

Lab Operations Manager 

Director, Human Resources

Controller 

Director, Manufacturing 

Director, Finance

Director of Marketing 

Corporate Controller, SEC Reporting

Director, Supply Chain

Director of Quality Systems

Head of Manufacturing

Head of Facilities and Engineering

Head of GMP Qu

Head of Business Development 

Senior Director, Program Management 

Lab Operations Manager 

Director, Human Resources

Controller 

Director, Manufacturing 

Director, Finance

Director of Marketing 

Corporate Controller, SEC Reporting

Director, Supply Chain

Director of Quality Systems

Head of Manufacturing

Head of Facilities and Engineering

Head of GMP Quality

Senior Manager, Manufacturing

Manager, Operations (HR/Finance)

Executive Assistant to CEO

Executive Assistant to CSO/CMO

Client Testimonials

 "Jeff is an exceptional recruiter and has sourced and hired wonderful talent for our organization.  If you have a requisition that requires turning over every stone to find that needle in a haystack, Jeff is a fantastic resource and an ethical recruiter and business partner." 

- Angela Biehl 


"Jeff helped place me in my first position after my PhD and found a perfect fit for me. He was professional, genuine and a great communicator. I am lucky to have crossed paths with Jeff when I did! " 

- Alexandra Wolfarth


"Working with Jeff for several years has been an absolute pleasure. He has a deep understanding of the industry and can analyze the needs for the roles our company is looking for. Jeff always puts his best efforts to find the best candidates and the people Jeff recruited for us have a great team dynamic and are a great fit for the company." 

- Sun Young Hwang


"Jeff is a highly skilled recruiter who masterfully aligns corporate hiring goals with the wants and needs of job candidates." 

- David Hilbert 


"I have had the pleasure of working closely with Jeff for several years. His exceptional performance and valuable contributions as a recruiter in the life science industry make him one of the top recruiting professionals I have ever worked with." 

-Heather Mudrick 


"Jeff reached out to me thinking that I was a good fit for the job I now have. He was spot on! More than a year later, I still think that it is a great fit, and I never would have applied for this position had he not contacted me. He was fantastic throughout the process and kept me well informed. I would highly recommend him if you're looking for a needle in a haystack."
-
Allison Sharrow 


"Jeff's eagerness to ensure clients meet their goals as quickly as possible truly sets him apart. He consistently demonstrated a deep understanding of the recruitment process and provided invaluable support throughout. I highly recommend Jeff to anyone seeking a dedicated and effective recruiter." 

- Sujoy Lahiri


"Jeff worked with my company to recruit key management leaders. He assertively found great candidates that eventually got recruited. His timing, knowledge and transparency through the process made the successful outcome possible. I recommend him 100%!" 

-Lizamar Velez 


"Jeff helped place me in my current position and he was an absolute pleasure to work with. He communicated regularly, answered all of my questions, and found the perfect role for me. I highly recommend him to any candidates seeking a new job or a role change, and to businesses looking for the best talent.  

- Samantha Paro 


"Jeff was amazing to work with and helped me navigate the intricacies of stepping from academia to biotech. Honest and clear communication all the way though."

-Brandon Ware 


Full Time

We specialize in full-time hires for technical and leadership roles for therapeutic, platform, and service companies.  With deep domain expertise and access to passive candidate pools, we help you make critical, long-term hires with confidence.

Contractors and Consultants

Whether you need short-term support, help during a hiring freeze, or specialized expertise for a project, we provide vetted professionals on a contract basis. We handle payroll, benefits, and compliance—or place contractors on 1099 if preferred.

Fractional

We plug into your team as a part-time Talent Advisor to lead your hiring efforts. Perfect for early-stage companies without internal recruitment, this model includes everything from sourcing and interviewing to building hiring processes from scratch.

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