Executive Search and Interim Leadership Solutions for Life Sciences & Healthcare

44

Days Average Time-To-Fill

100%

Ceo-Led search

6

Month Guarantee
Alder Brooks is the only boutique executive search firm led by former CxOs in Life Sciences & Healthcare.

We partner with Investors & CEOs to recruit exceptional leaders in under 45 days.
Save Time. Grow.™

EXECUTIVE SEARCH

Representative Searches by Function

Board Leadership

Finance

General Management

Human Resources

Legal

Market Access

Marketing

Medical Leadership

Operations

Product

R&D

Revenue Cycle

Sales

Strategy

EXECUTIVE SEARCH

Representative Searches by Title

Board Director

Chief Business Officer

Chief Commercial Officer

Chief Executive Officer

Chief Financial Officer

Chief Human Resources Officer

Chief Legal Officer

Chief Marketing Officer

Chief Medical Officer

Chief Operating Officer

Chief Product Officer

Chief Revenue Officer

Chief Scientific Officer

Chief Strategy Officer

Director and Sr. Director

General Manager

Head of

VP and SVP

INTERIM LEADERSHIP SOLUTIONS

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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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+.

CEO-Led Search

On every executive search, our Managing Directors are former CEOs who bring real-world judgment, deep networks, and firsthand leadership experience to each engagement. We deliver leaders who align with your strategy, culture, and shape the trajectory of your business.

Meet the Founders

Mike Mosunic

Mike Mosunic

Co-Founder & CEO

Mike is the Co-Founder and CEO of Alder Brooks. He is a seasoned business leader and entrepreneur with a proven track record in commercial leadership, serving as Co-Founder & CEO of Wolf Hill Group (sold to Slone Partners) and Chief Commercial Officer at Pathology, Inc. (sold to LabCorp).

Mike is the Co-Founder and CEO of Alder Brooks. He is a seasoned business leader and entrepreneur with a proven track record in commercial leadership, having co-founded Wolf Hill Group (sold to Slone Partners) and served as Chief Commercial Officer at Pathology, Inc.

Before co-founding Alder Brooks, Mike co-founded Wolf Hill Group, a cybersecurity executive search firm that was acquired by Slone Partners in 2022.

Earlier in his career, Mike was the second employee at Slone Partners, where he played a key role in the firm's growth, holding leadership positions including Chief Operating Officer and President of Cybersecurity. He also held VP of Sales roles at LabCorp and Sonic Healthcare and served as Chief Commercial Officer at Pathology, Inc., backed by ABS Capital (sold to LabCorp).

Mike graduated with honors from Le Moyne College, earned an M.A. in Applied Physiology from Columbia University, and completed his MBA at the Marshall School of Business, University of Southern California.

He enjoys skiing with his family, swimming, and walking his Bernese Mountain Dogs in the Colorado mountains.

Stephen Skrenta

Stephen Skrenta

Co-Founder

Stephen is an Advisory Board Member of Alder Brooks and Co-Founder. Stephen was formerly a Senior Managing Director within Blackstone’s advisory business located in New York and London.

Stephen is an Advisory Board Member of Alder Brooks and Co-Founder.  Stephen was formerly a Senior Managing Director within Blackstone’s advisory business located in New York and London.  While at Blackstone Stephen advised the firm's corporate and sovereign clients on acquisitions, divestitures, private capital raises, and financial restructurings.  Stephen began his career on Wall Street at Donaldson, Lufkin & Jenrette.  In 2015 Stephen founded Acabonac Farms, a regenerative agricultural enterprise that works to better the environment and improve animal and human health.

Stephen is a graduate of The University of Pennsylvania’s Wharton School.

Stephen is married, has three children, enjoys ranching, traveling and playing blackjack.

Meet the Search Team

Patty Sipes

Patty Sipes

Managing Director
Diagnostics

Patty Sipes is an accomplished executive leader with over three decades of experience in healthcare, diagnostics, and technology-driven organizations. A former CEO, CCO, and strategic consultant recognized by Top 100 Magazine as a Top Innovator and Entrepreneur, she brings deep expertise in growth strategy, M&A readiness, and leadership transformation. At Alder Brooks, Patty leverages her extensive C-suite experience to help clients identify exceptional leaders and build organizations positioned for sustainable success.

Patty Sipes is a seasoned executive leader and strategist with over 30 years of experience driving growth, operational excellence, and organizational transformation across the healthcare, diagnostics, and life sciences sectors. Recognized by Top 100 Magazine as a Top Innovator and Entrepreneur, Patty brings a proven record of success as a CEO, CCO, and consultant to both private equity-backed and publicly traded organizations.

Her career includes executive leadership at Incyte Diagnostics, Inform Diagnostics, and PAML, as well as founding and leading Esoteric Lab Consultants — a strategic advisory firm specializing in business turnarounds, infrastructure optimization, and M&A readiness. Patty is known for her ability to assess leadership dynamics, identify growth opportunities, and match top talent with organizations positioned for transformation.

At Alder Brooks, Patty leverages her extensive C-suite experience and deep understanding of healthcare, diagnostics, and technology-driven businesses to advise clients on executive search, leadership alignment, and commercial strategy. She brings a unique blend of analytical precision, emotional intelligence, and integrity — ensuring every placement strengthens both the leadership team and the organization’s long-term success.

Holly Smith

Holly Smith

Executive Search Consultant
Biopharma

Holly Smith is an experienced executive search consultant with over a decade of experience supporting life sciences companies from early-stage through commercialization. She specializes in partnering with founders, CEOs, andinvestors to deliver targeted search strategies for leadership roles that require deep scientific fluency and industry expertise.

Holly Smith is an experienced executive search consultant with over a decade of experience supporting life sciences companies from early-stage through commercialization. She specializes in partnering with founders, CEOs, andinvestors to deliver targeted search strategies for leadership roles that require deep scientific fluency and industry expertise.

Her career includes executive search leadership at Slone Partners, founding her own boutique firm, Holly Smith Strategic Search, and earlier sales and product leadership roles at Charles River Laboratories. This combination of operating experience and search expertise gives her a strong understanding of the full drug development lifecycle and the talent required to build and scale high-performing teams.

At Alder Brooks, Holly focuses on executing retained searches for high-growth life sciences companies, bringing a high-touch, consultative approach to each engagement. She is particularly experienced in biopharma and AI-driven business models, strengthening the firm’s ability to support clients building teams in complex and emerging areas of the industry.

Holly holds an MBA with a specialization in Health Care Administration from Rivier University and is a Lean Six Sigma White Belt.

Advisory Board

Tim Johnson

Tim Johnson

Board Advisor
Infusion Life Sciences

Tim Johnson has over 25 years experience of combined healthcare private equity, M&A and financial advisory experience.  He has been an active investor and board member and led the growth in numerous healthcare companies including: Horizon Infusions, LabConnect Inc., BioInformatics Inc., Pathology Inc. (exited), DrugScan, Inc. and DSI Medical Services (exited), and DCL Medical Laboratories (exited).  

Tim Johnson has over 25 years experience of combined healthcare private equity, M&A and financial advisory experience.  He has been an active investor and board member and led the growth in numerous healthcare companies including: Horizon Infusions, LabConnect Inc., BioInformatics Inc., Pathology Inc. (exited), DrugScan, Inc. and DSI Medical Services (exited), and DCL Medical Laboratories (exited).  

Tim has been a Partner at BroadOak Capital, was a co-founder of Mt. Weather Capital, and founding partner of England & Company.  Previously, he was an investment banker at Salomon Smith Barney, CIBC World Markets, and Friedman, Billings, Ramsey & Co. and began his career as a CPA at Arthur Andersen.

​Tim earned a B.S. in Accounting (magna cum laude) and M.B.A. in Finance from the University of Maryland.

Vicki DiFrancesco

Vicki DiFrancesco

Board Advisor
Infusion Life Sciences

Ms. Vicki DiFrancesco is an influential leader in the laboratory industry and was formerly responsible for building and executing XiFiN’s corporate business development strategies including acquisitions, joint ventures and strategic partnerships that advance company growth. She remains a Strategic Advisor for XiFiN after retiring in 2022 and now is also a Board Advisor for Alder Brooks.

Ms. Vicki DiFrancesco is an influential leader in the laboratory industry and was formerly responsible for building and executing XiFiN’s corporate business development strategies including acquisitions, joint ventures and strategic partnerships that advance company growth. She remains a Strategic Advisor for XiFiN after retiring in 2022 and now is also a Board Advisor for Alder Brooks.

Ms DiFrancesco was appointed as the first member of US HealthTek’s Advisory Board in March 2023 and a Non Executive Board Director for SpeeDx in September 2023.

Prior to XIFIN, Vicki served as President and CEO of Pathology Inc., the west coast’s premier women’s health laboratory that was acquired by LabCorp in March 2016. Previously, DiFrancesco was Executive Vice President of Sales and Marketing for Spectrum Laboratory Network where she grew revenues and drove expansion into new markets. She also served as Senior Vice President, Sales and Marketing for Specialty Laboratories Inc., where she oversaw marketing, customer service and was instrumental in sale of company to Ameripath in 2005.

Earlier in her career, Vicki worked as the Vice President of Hospital Sales and Marketing at Quest Diagnostics, Inc.  She has also held executive level positions with American Medical Laboratories, sold to Quest Diagnostics, and Laboratory Corporation of America. Vicki formerly served on the Board of Directors of PWNHealth, LLC, sold to Spectrum Equity.

Christopher Mosunic, PhD, RD, MBA

Christopher Mosunic, PhD, RD, MBA

Board Advisor
HealthTech

Chris is a licensed Clinical Psychologist and the Chief Clinical Officer at Calm, playing a key role in shaping the brand’s evidence-based programs and spearheading clinical research.

Chris is a licensed Clinical Psychologist and the Chief Clinical Officer at Calm, playing a key role in shaping the brand’s evidence-based programs and spearheading clinical research. With his wealth of experience as an executive healthcare leader at Yale New Haven Health, Johnson and Johnson, Rivermend Health, Advanced Recovery Systems, Vida Health, and a Board Advisor for Alder Brooks, Chris has demonstrated his expertise in building and leading integrated healthcare services.

Chris is also a seasoned Registered Dietitian, noted for his acumen in launching and growing health-focused organizations. His thought leadership is evident in the numerous scientific publications, clinical  programs, and presentations he’s developed on a variety of topics such as cognitive behavioral therapy (CBT), mental health, integrated care, obesity, eating disorders, and substance use disorders.

Chris received his undergraduate degree in Biology & Psychology from Bucknell University, his MS in Nutritional Biochemistry from Tufts, his PhD in clinical psychology from Vanderbilt, and his MBA from Yale.

Thane Kreiner, PhD, MBA

Thane Kreiner, PhD, MBA

Board Advisor
Life Sciences & Global Innovation

Dr. Thane Kreiner is an experienced biotech executive and board member with deep expertise in scientific innovation, global growth, and inclusive leadership. He was instrumental in scaling Affymetrix (now Thermo Fisher) from startup to IPO and a $10B market cap, commercializing the world’s first DNA chip systems.

Dr. Thane Kreiner is an experienced biotech executive and board member with deep expertise in scientific innovation, global growth, and inclusive leadership. He was instrumental in scaling Affymetrix (now Thermo Fisher) from startup to IPO and a $10B market cap, commercializing the world’s first DNA chip systems.

Thane has served as founding CEO of four venture-backed bioscience companies, including iPierian (acquired by BMS), Presage Biosciences, Second Genome, and iAccessCare. He currently serves on the boards of ADEii Health and Conservation X Labs, and advises startups on strategy, governance, and investor relations.

As Executive Director of Miller Center for Social Entrepreneurship at Santa Clara University, he expanded its global accelerator to 1,000 enterprises in 100 countries—impacting over 450 million lives. He co-founded Black Corporate Board Readiness (BCBR) at Santa Clara University, connecting hundreds of executives to corporate board service.

Thane holds a PhD in Neurosciences and an MBA from Stanford University, and a BS in Chemistry from the University of Texas at Austin.

Insights for Life Sciences & Healthcare Leadership

Cutting-edge perspectives on executive talent, leadership strategies, and industry trends in Life Sciences and Healthcare.

Explore Our Blog
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Getting acquired resets everything—titles, influence, and expectations. This article breaks down what determines who succeeds in the first 90 days post-acquisition, and why visibility, alignment, and adaptability matter more than past performance. A practical guide for leaders navigating M&A in healthcare and life sciences.

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