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    Nexagen Search

    Building the Teams Behind Breakthroughs  

    Executive Search

    Fractional Talent Acquisition

    Fractional Talent Acquisition

    Secure transformative leaders who shape trajectory and drive results.

    Fractional Talent Acquisition

    Fractional Talent Acquisition

    Fractional Talent Acquisition

    Embedded support for biotech companies scaling without internal TA infrastructure. 

    Jeff Caskey

    Jeff launched Nexagen Search in 2023 to help biotechnology leaders solve one of the most important challenges in company building: assembling the right team. Like a puzzle, every organization requires a unique combination of scientific, operational, and leadership talent to reach its goals. 


    Nexagen partners with executive teams to identify the critical pieces needed at each stage of growth and implements milestone-driven recruiting strategies that align hiring with the company's development roadmap.

    Connect on LinkedIn

    10+ Years of Experience

    Industry expertise built over 10k+ conversations  

    97% 1 year retention rate

    Since 2020, 97% of placed candidates have remained for at least 1 year. 

    30+ Clients Served

    Trusted partner to venture-backed startups and established life science organizations. 

    Recent Hires

    VP,  Drug Discovery 

    Executive Director, Head of Biologics 

    Senior Director, Biology  

    Senior Director, Bioinformatics

    Director, Antibody Discovery

    Executive Director, Biologics 

    Senior Scientist I, Biology 

    Senior Scientist, Drug Discovery

    Senior Scientist, Antibody Discovery

    Senior Scientist, Preclinical Development

    Senior Scientist, Cell Biology 





    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
    Scientist, Cell Therapy R&D


    Head of Business Development 

    Senior Director, Program Management 

    Lab Operations Manager 

    Director, Human Resources

    Controller 

    Director, Manufacturing 

    Director of Marketing 

    Corporate Controller, SEC Reporting

    Director, Supply Chain

    Director of Quality Systems

    Scientist, Translational Research

    Head of Manufacturing

    Head of Facilities and Engineering

    Head of GMP Quality

    Senior Manager, Manufacturing

    Manager, Operations (HR/Finance)

    Executive Assistant to CEO

    Director, CMC Program Management Associate Director, Downstream PD Principal PD Scientist

    Senior Scientist, Process Development

    Project Manager, CMC

    Senior Scientist, Biology 

    How we Engage

    Nexagen Search supports biotech companies through flexible partnerships designed around each company's stage, hiring needs, and internal resources. 

    Search

    For critical leadership and senior-level roles where the right hire can shape the direction of the company, we run targeted search processes that identify, engage, assess, and deliver highly qualified leaders. 


    Fractional Talent Acquisition

    For companies that need ongoing recruiting support but are not ready to build a full internal talent acquisition function, we provide embedded recruiting support on a fractional basis.


    Fractional Talent Acquisition

    Jeff Caskey launched Nexagen Search in 2023 with a simple mission: create a better hiring solution for biotech companies that need to scale. After spending more than a decade in the biotechnology industry, Jeff noticed that growth-stage companies typically have two options when it comes to talent acquisition: build an internal recruiting function or rely heavily on external search firms.


    Both strategies can be effective, but each comes with tradeoffs. Building an internal Talent Acquisition team requires a significant investment in salary, benefits, recruiting technology, and infrastructure—often before hiring demand is consistent enough to justify a full-time team. Traditional search firms, on the other hand, excel at filling individual positions but are not designed to provide day-to-day recruiting leadership, hiring strategy, or long-term talent planning.


    Fractional Talent Acquisition was created to bridge the gap.


    Hiring Spree

    Whether you've closed a financing round, expanded your pipeline, or are entering a new phase of growth, we help companies scale hiring quickly while maintaining quality. 

    Build Your Scaling System

    Many early-stage companies have talented hiring managers but no consistent recruiting infrastructure. We build the foundation that supports long-term growth.

    Supplement Your Team

    Need additional recruiting support without increasing permanent headcount? We integrate directly with your leadership team to provide extra bandwidth.

    Strategic & Executive Hiring

    Some positions simply require a different level of search expertise. We lead searches for scientific leaders, executives, technical specialists, and other critical hires that have a significant impact on your company's future.

    Build a New Team

    Launching a new therapeutic area, platform, or department? We with develop hiring plans, define organizational structure, identify priority roles, and recruit the team that will drive future success.

    Transition Recruiting In-House

    Many companies eventually reach the point where hiring volume supports an internal Talent Acquisition function. We help make that transition successful by building recruiting processes, documenting best practices, implementing systems, and training your future internal team. 

    Frequently Asked Questions

    Fractional Talent Acquisition provides your company with an experienced biotech recruiting leader on a part-time basis. Rather than hiring a full-time Head of Talent Acquisition, you gain strategic recruiting expertise and day-to-day execution without the long-term commitment of a FTE.


    Our engagements are structured as monthly retainers based on the level of support your organization requires. This provides predictable costs and the flexibility to scale your recruiting efforts as hiring needs evolve. 


    No. Engagements are designed to be flexible and can scale up or down as your hiring needs change. Many clients begin during periods of rapid growth and adjust their level of support as the organization matures.


    Nexagen Search serves clients across the United States. We have experience working with clients in a variety of geographic locations and industries. 


    Our model is designed primarily for venture-backed startups and growth-stage biotechnology companies that are actively building teams. 


    We have experience recruiting across the entire organizational spectrum—from entry-level research associates and scientists to executive leadership teams. Whether you're making your first scientific hire or building out your C-suite, we tailor our recruiting strategy to the level, complexity, and business objectives of each search.


    The number of active roles depends on your engagement level. We offer multiple service tiers designed to support companies hiring anywhere from a handful of positions per year to larger organizational buildouts.


    No. While our expertise is rooted in scientific recruiting, we support hiring across research, development, CMC, clinical, regulatory, quality, manufacturing, technical operations, corporate functions, and executive leadership. 


    Absolutely. We frequently partner with HR, People Operations, executives, and hiring managers to complement existing resources and improve recruiting capacity without disrupting internal workflows.


    Both. We help organizations build hiring plans, develop interview processes, improve employer branding, implement recruiting technology, establish metrics, and execute searches from sourcing through onboarding.


    Yes. We can help evaluate, implement, optimize, and manage applicant tracking systems (ATS), ensuring your recruiting process is organized, scalable, and data-driven. You can also access our platform if you don't have or need an ATS. 


    Most engagements can begin within one to two weeks. We start with a discovery session to understand your organization, hiring priorities, and immediate talent needs before integrating into your recruiting process.


    In many cases, yes. We can manage the majority of your hiring internally through the engagement. For highly specialized or confidential executive searches, we can also advise on when an external retained search may still be the right approach.


    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 


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