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Kollina Pezza
Senior Consultant
With over 15 years of experience in payroll administration, employee benefits management, and human resources operations, Kollina supports organizations in building compliant, accurate, and efficient HR and payroll processes. She specializes in payroll system management, HRIS implementation, and benefits administration, working closely with cross-functional teams to ensure accuracy, compliance, and streamlined operations. Her benefits experience includes overseeing open enrollment processes, coordinating with insurance carriers and retirement plan providers, and guiding… -
Don Marr
Director
With over three decades of experience in human capital strategy, workforce transformation, and organizational development, Don helps clients optimize their talent systems and align HR operations with business goals. He partners with executive leaders to strengthen recruitment, retention, compliance, and leadership development processes, delivering practical, results-oriented solutions that support both growth and change management. Don began his career in corporate human resources before advancing into executive roles that supported large-scale… -
Scott Cook
Managing Director
Scott partners with organizations to deliver transformative human resources strategies and operational excellence, leveraging over 30 years of leadership experience in private equity, public, and privately held companies. His expertise lies in building high-performing HR functions, leading complex M&A integrations, and fostering winning workplace cultures to drive business growth. Over his career, Scott has successfully led HR due diligence and integration for more than 100 acquisitions, ranging in size from… -
Brenna Lampe
Director
With over 20 years of strategic human resources experience across diverse industries, Brenna brings a wealth of expertise in driving organizational growth, enhancing employee engagement, and resolving complex workplace challenges. Her leadership in areas such as mergers and acquisitions, employee relations, compliance, and performance management has allowed her to develop practical, scalable solutions that address key business needs. Brenna’s ability to integrate new practices while preserving organizational culture has been… -
Rick Clifton
Director
Rick is a strategic Human Capital Leader with over 25 years of experience collaborating with C-suite and senior executive leadership to align innovative HR strategies with complex business objectives. He has built world-class People teams across industries such as BioPharma, Technology, Utilities, Automotive, Real Estate, and Consumer Goods, leveraging expertise in HR transformation, state and federal compliance, analytics, and continuous improvement methodologies like Six Sigma and Agile. Rick has led… -
Elizabeth Derby
Practice Director of Human Capital
Elizabeth empowers organizations, leaders, and talent to thrive in today’s dynamic business environment. As Fahrenheit's Human Capital Practice Director, she partners with clients to solve their most critical human capital challenges. She develops tailored, actionable strategies and interventions that drive business outcomes and serve both present and future needs. Elizabeth has a diverse background as a business executive, entrepreneur, consultant and HR leader. She has advised clients across multiple industries… -
Tonya Dinkel
Director
Tonya has extensive experience in leadership development, talent management, recruiting and employee relations and has the unique ability to understand the operational functions of the business and how they are interwoven with the people element to help leaders more effectively run their business. Tonya began her human resources career in recruiting staffing a 300-seat call center. Upon realizing her passion and alignment with human resources, she worked to grow her… -
Karen Charielle
Senior Director
Karen is a Senior Human Resources leader with advanced expertise in M&A, including rollups and divestitures, compliance, employment law, health and welfare programs, compensation design, and union activities. She effectively combines tactical skills with strategic foresight as she seamlessly directs talent acquisition, performance management, and organizational development. Karen fosters a culture of learning, resilience, and change. Her service-oriented attitude and proven interpersonal skills make her adept at engaging with internal… -
Ryan Whitlock
Practice Director of Human Capital
Ryan is an experienced HR professional with over 20 years of experience in building teams, driving company culture, developing key metrics, and creating an employee experience centered around the company's mission, vision, and values. He is well-versed in thoughtfully scaling startups and establishing best practices and systems for recruiting, benefits, employee development, internal communication, and building culture. His experience building out HR departments gives him the ability to manage and… -
Mike Kolar
Director
Drawing upon extensive financial management expertise across professional services, wholesale, manufacturing, retail, and eBusiness industries, Mike excels in collaborating with high-profile executives to support critical decision-making and navigate complex business, data, and system challenges. His proficiency includes financial analysis, strategic planning, system implementation, and process improvement, enabling clients to drive profitability, enhance operational efficiency, and achieve strategic goals. Mike began his career as a CPA with Arthur Andersen’s assurance practice… -
Chris Thurston
Managing Director
Chris brings over 25 years of experience as a brand, marketing, and business strategist for national and international consumer and business-to-business companies. Chris currently serves clients as a fractional CMO, a brand and marketing strategist, and as a project lead on marketing initiatives. He focuses on uncovering the best and most appropriate marketing strategies to drive sales, marketing effectiveness, and ROI while optimizing resources, technologies, and teams to drive client… -
Charlie Petrolia
Senior Director
Charlie is an HR executive experienced at directing change management initiatives that achieve business goals and drive world-class employee experience. By melding his Corporate HR leadership with operations acumen, he inspires high-performing remote/onsite teams to deliver profitable revenue growth. Charlie has over 18 years of HR leadership experience at multi-billion-dollar companies. More recently, with Fahrenheit Advisors, Charlie has helped middle market companies and non-profit clients in Interim CHRO and Interim People…