LIFE SCIENCES & HEALTHCARE EXECUTIVE TALENT

Leadership that moves at the speed of need

Alder Books places seasoned executives into life sciences and healthcare organizations at the precise moment leadership matters most – interim, fractional or permanent placements.

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(Candidates)

Interim Leadership

A seasoned executive who steps in full-time to maintain momentum during a leadership gap, whether navigating a critical regulatory milestone, a pipeline transition, or the search for a permanent hire.

Generally full time (4+days per week) and engaged for up to one year or more.

Fractional Leadership

An experienced executive embedded part-time into your organization, bringing proven expertise without the full-time cost. Ideal for pre-commercial startups building toward launch, fundraising, or their first regulatory submission.

Generally part-time (2-3 days per week) and engaged for 3 months+.

Functional Expertise

From the boardroom to the function, our fractional and interim executives step in at every level of the organization to deliver results from day one.

Commercial

Commercial executives to translate innovation into revenue - building go-to-market strategy, market access, pricing, and launch execution across clinical and post-approval stages.

Strategic Leadership

Steady the ship, reignite strategy, and lead the organization through build, turnaround or transition.

Finance

Financial executives for fundraising, restructure, and institutional confidence at critical moments.

Human Resources

People leadership through restructuring, culture change, and periods of rapid workforce scaling.

Legal

Legal experts to navigate regulatory complexity, protect enterprise value, and enable growth - from clinical development and compliance to transactions, IP, and governance.

Marketing

Marketing executives for businesses that need strategic horsepower without full-time cost.

Medical Expertise

Experienced medical experts for companies navigating clinical development, regulatory strategy, and commercialization decisions, with a focus on patient safety, data integrity, and cross‑functional alignment.

Operations

Operational leaders who build process, structure, and performance infrastructure at pace.

Scientific Leadership

Scientific experts for companies advancing discovery through development, with expertise in translational science and pipeline strategy. Able to align research, clinical, and commercial priorities while accelerating innovation, ensuring scientific rigor, and maximizing asset value.

Colleen Cremen

Managing Director

Interim Leadership Solutions

Colleen brings more than 25 years of experience across life sciences and healthcare, spanning enterprise sales, global talent leadership, and retained executive search. She has built talent functions from the ground up, partnered with leadership teams to drive growth, and delivered executive searches across life sciences and healthcare organizations.

Her unique combination of operating experience and search expertise makes her exceptionally well positioned to help companies secure the leadership they need—exactly when they need it.

At Alder Brooks, Colleen will lead Interim Leadership Solutions, a dedicated division focused on placing fractional and interim executives for organizations navigating critical moments—whether that’s rapid growth, leadership transitions, or post-close integration. She will also partner closely with clients as they convert interim needs into permanent executive hires.