Marc Silber


An entrepreneur and leader with a vision, Marc has focused on life sciences recruiting for more than 10 years. He built Crossover Search to devote his energy entirely to serving clients in this unique sector.

Chris Portanova

Principal, VP, Executive Search & Recruitment

Chris left a successful career in finance to join Crossover Search. He now has an impressive record of placements in drug discovery, clinical development, clinical operations, regulatory affairs and commercial.

Nathan Hipp, Ph.D.

Vice President, Executive Search

Nathan has worked exclusively in life science executive recruitment since 2008 and has predominantly focused in investor relations, business development, clinical research, and technical operations.

Jenna Tomae

Vice President, Executive Search

Jenna brings 20 years of agency experience, in both recruitment and Executive Leadership roles. At Crossover Search, Jenna is focused on positions in Investor Relations, Corporate Communications, Finance, and Human Resources.

Dan Stinson

Executive Recruiter, Commercial

Dan is exclusively focused on Commercial recruitment at Crossover Search. He has built a successful career in the space and is a trusted resource for Commercial focused professionals. Dan is passionate about building relationships with people across the life sciences industry.

Scott Grossman

Life Sciences Executive Recruiter

Scott has a background in Life Sciences Conference Production where he built an impressive network of industry professionals. At Crossover Search, he has leveraged his network and is making a name for himself in Medical Affairs and Clinical Development recruitment.

Jordan Silber

Executive Recruiter

Jordan has worked with Crossover Search since 2020 and has successfully participated in searches for attorney’s and legal professionals across all legal practice areas, including commercial, corporate, intellectual property, and compliance. Jordan combines his insight as an attorney and of the legal industry, with his fascination for the biotech industry to facilitate a process of mutual discovery between hiring teams and external leadership talent.

Grace Samuel

Head of Data & Analytics and Project Management

Grace is the Head of Data & Analytics and Project Management at Crossover Search. She oversees our internal database and is the Project Manager for all searches. Our process and strategy is guided with Data and Grace facilitates that for our team.

Zaire Merritt

Lead, Database and Project Management

Zaire joined Crossover Search as an undergraduate intern and has since joined our team as a Lead. She cleans, organizes, and maintains our internal database to ensure we are working with quality data to support our searches.

Oluwamuyiwa Fadipe

Data Analyst

Oluwamuyiwa is senior at CCNY majoring in Biochemistry with hopes of becoming a medical doctor. While working with Crossover Search, he is learning about the variety of industry careers that would be available to him as an MD. He is honing his interests in therapeutic areas and indications all while providing our team with data insights on the market.

Sharon Suchecki

Head of Talent Discovery & Sourcing

Sharon heads Talent Discovery & Sourcing, using her innate investigative skills to understand Candidates beyond their employment history. Delving into passions, goals, drives, and cultural fit, she pushes past a job description and resume to make the perfect Client/Candidate connection.

Chloe Mok

Lead, Talent Discovery & Sourcing

As the founder of multiple businesses, Chloe has the entrepreneurial spirit and drive we pride ourselves on at Crossover Search. She is creative with her techniques and always uncovers top tier talent.