Our People

Wayne Bush is responsible for governance matters related to Platinum Equity’s portfolio. He sits on all portfolio company audit committees and is responsible for coordinating the audits across the portfolio.

Prior to joining Platinum Equity in 2021, Mr. Bush held positions at Ernst & Young and Deloitte.

Mr. Bush holds a Master of Science in Taxation from Fordham University, a Juris Doctor from Suffolk University Law School, and a Bachelor of Science in Journalism and Advertising from the University of Colorado at Boulder. Mr. Bush is admitted to the New York State Bar and the U.S. Tax Court.

Lindsay Calautti is the Global Head of Human Capital for Platinum Equity Advisors. She is responsible for the firm’s human capital activities including recruiting, retention, training & professional development, and the employee workplace experience across Platinum Equity’s global network. Ms. Calautti is the Chair of the Platinum Equity Diversity, Equity, and Inclusion Committee.

Prior to joining Platinum Equity in 2023, Ms. Calautti was the Head of Human Resources for Global Markets at RBC Capital Markets and held positions both in HR and in Fixed Income at RBC Capital Markets and TD Securities.

Ms. Calautti holds a Bachelor’s degree from The College of St. Rose and a Master’s Degree from Harvard University.

Igor Chacartegui is responsible for the structuring and execution of European acquisition and divestiture transactions.

Prior to joining Platinum Equity in 2017, Mr. Chacartegui held a 7 year career at The Gores Group where he was a Managing Director based in London. Mr. Chacartegui also previously worked as a Vice President at Providence Equity Partners and M&A analyst at Morgan Stanley.

Mr. Chacartegui holds a MSc. in business and finance from University of Deusto.

Stephanie Chapman is the Chief Accountant for Platinum Equity’s funds. She is a key member of the team that works with the Limited Partners. Her responsibilities include Fund audits, track record updates and investor inquiries. Ms. Chapman is a critical member of the fund raising team by driving the underlying diligence.

Prior to joining Platinum Equity in 2005, Ms. Chapman was a Vice President in the International Private Equity Group of Trust Company of the West (TCW) in Los Angeles where she traveled extensively representing TCW’s interest with their joint venture partners. She became a Certified Public Accountant while working in the audit group of Ernst & Young LLP as a Manager.

Ms. Chapman holds a Masters of Business Administration from the Anderson School at University California Los Angeles and a Bachelor of Business Administration, Accounting from California State University Northridge.

Nick Colagiovanni is responsible for managing the transition of newly acquired companies into Platinum Equity’s portfolio. He also has responsibilities related to post-transition monitoring and oversight of operational performance at certain portfolio companies.

Prior to joining Platinum Equity in 2020, Mr. Colagiovanni held positions at Alvarez and Marsal, as well as served as the Chief Operating Officer at Rolta Advizex Technologies.

Mr. Colagiovanni holds a Bachelor of Science in Accounting from the University of Notre Dame.

Christian Cook is responsible for managing the transition of newly acquired companies into Platinum Equity’s portfolio. He also has responsibilities related to post-transition monitoring and oversight of operational performance at certain portfolio companies.

Mr. Cook was most recently with AlixPartners where he focused on the operational improvements and cost reduction opportunities during M&A and restructuring. Prior to AlixPartners, Christian was a Senior Manager with Deloitte.

Mr. Cook holds an undergraduate degree from the Georgia Institute of Technology. He also holds a Master’s of International Business Studies degree from University of South Carolina. Christian has spoken at the Wharton School and numerous M&A and restructuring panels.

Adam Cooper is responsible for the structuring and execution of acquisition and divestiture transactions. As a member of the operating council for certain portfolio companies, he also has responsibilities related to post-acquisition monitoring and oversight of financial performance.

Prior to joining Platinum in 2001, Mr. Cooper spent five years with Ernst & Young’s Transaction Support and Audit practices in Los Angeles. Mr. Cooper received a Bachelor’s degree in Accounting from San Diego State University.

Brandon Crawley is responsible for managing the transition of newly acquired companies into Platinum Equity’s portfolio. He also has responsibilities related to post-transition monitoring and oversight of operational performance at certain portfolio companies.

Prior to joining Platinum Equity in 2013, Mr. Crawley held positions at Alvarez and Marsal and PriceWaterhouseCoopers where he focused on the performance improvement and acquisition integration strategies for private equity portfolio companies across a variety of industries.

Mr. Crawley holds an undergraduate degree in Accounting from Indiana State University and a Master’s degree in Business Administration from Indiana University Kelley School of Business.

Bibi Di Serio is responsible for legal and compliance diligence on Platinum Equity’s M&A Operations team.

Prior to joining Platinum Equity as an Assistant General Counsel in 2001, Ms. Di Serio served as in house counsel for several technology companies before starting her own practice providing contract General Counsel services to technology businesses. Beginning in 2012, Ms. Di Serio served as the General Counsel for Platinum Equity’s portfolio company Chassix, Inc., a $1 billion revenue global manufacturing business, returning to Platinum Equity in 2015.

Ms. Di Serio holds an undergraduate degree from Suffolk University and a Juris Doctor degree from Suffolk University Law School. Ms. Di Serio also holds a Certificate in Computer & Digital Forensics from Champlain College.

John Diggins brings a comprehensive background in financial growth management and mergers & acquisitions activity to the company, in addition to broad operating experience. Through the successful development and execution of strategic sales and marketing programs, Mr. Diggins is responsible for growing the revenue base of Platinum Equity’s operating companies as well as identifying product strengths to help build market advantage.

Prior to joining Platinum in 1996, Mr. Diggins was CEO for both Pilot Software and Foresight Software, which were acquired by Platinum. He was also a co-founder of Ventec Systems with Platinum Equity Chairman and CEO Tom Gores.