Our Team


Meet our leadership team.

Harry Griendling
Founder and CEO

As the Founder and CEO of DoubleStar, Harry has led the design, development and execution of over 900 talent acquisition and talent management projects for over 300 fast-growing technology-driven organizations, including GlaxoSmithKline, SAP Americas, Eli Lilly, Siemens Medical Solutions, AstraZeneca, Cisco, The Vanguard Group, The Children's Hospital of Philadelphia, Merrill-Lynch, Pfizer, Campbell Soup Company, Hershey Foods, CIGNA, Travelers Insurance, Ernst & Young, Main Line Health System, Schering-Plough, Pepsi, Teva Pharmaceuticals, JPMorganChase, Rogers Communications, Main Line Health Network, Capital One, Home Depot, TD Bank and over 50 technology or science-driven start-ups. 

Under Harry's leadership, DoubleStar has appeared twice on the INC 500 list of America's Fastest Growing Privately Held Companies and six times on the Philly 100 list of fastest-growing private companies in the Greater Philadelphia region. Harry is one of only 15 inaugural inductees into the Philadelphia Business Hall of Fame. 

Harry has authored and delivered over 100 educational seminars and presentations at regional, national, and international HR industry events. He has provided expert commentary in print and televised media for Fox Business News, The Wall Street Journal, CNN, MSNBC, USA Today, Reuters TV, The Washington Post, The Philadelphia Inquirer, Philly Business News Network and FOX29 News, among others.

As a member of Villanova University's adjunct faculty, he has designed and delivered graduate-level course work in Workforce Planning, Succession Planning and Talent Management principles.

Prior to Founding DoubleStar, Harry held leadership roles in Recruitment and Human Resources with Shared Medical Systems (now Siemens Health Services) and Premier Solutions, both IT leaders serving global clients in niche vertical markets.

Harry holds his Master's and Bachelor's degrees in English from The Pennsylvania State University. In addition, Harry is a lifelong musician and songwriter and in 2012 produced a CD of original music that is available commercially.

Kevin Drury
Co-Founder, CTO and CFO

Kevin Drury is the Co-Founder and serves as the Chief Technology Officer and Chief Financial Officer. Drury has over 30 years of experience in the technology industry with a focus on Business Intelligence for the past 27 years. Drury has successfully helped guide DoubleStar to a high level of profitability, while also funding its organic growth.

Prior to DoubleStar, Drury founded IEA Business Solutions, a spin-off of DuPont and a predecessor to DoubleStar. At DuPont, he was instrumental in transforming their Rapid Iterative Production Prototyping (RIPP) application methodology into an effective project management and development approach for Data Warehousing and Business Intelligence projects. Prior to joining DuPont IEA, he spent 13 years in the financial services technology industry specializing in trust accounting software systems. Kevin graduated from Susquehanna University with a degree in Psychology.

Christine Treski
Managing Director, Recruitment Delivery

Christine is responsible for managing and executing high-volume recruitment projects across a variety of industries. Christine brings to her role 18+ years of full life-cycle recruiting experience within the Pharmaceutical, Financial, Information Technology, Human Resources, Insurance and Healthcare industries.

Prior to joining DoubleStar in 2008, Christine served as recruitment manager for Modular Space Corporation, where she was responsible for all hiring within the United States, including executive positions. Christine also served as an Account Manager with Peak Technical Services and was a Branch Manager with USA Staffing.

Christine holds a B.A. in Communications from the University of Pittsburgh. Christine is an active member of Greater Valley Forge Human Resources Association.

Tony Trasatti
Managing Director, Recruitment Solutions

Tony is responsible for developing new client relationships and designing and leading recruitment project teams on long-term engagements. Tony joined DoubleStar in 2005, bringing extensive experience in specialized recruiting services from a successful career in the Executive Search business. His experience ranged from starting a contingency-based recruitment firm to heading a multi-specialty retainer search firm with major clients throughout the US. He personally worked directly with financial, human resources and operations executives in completing highly confidential and difficult search assignments. Tony's extensive recruiting expertise provides operational and strategic insight into the day-to-day management of the sales, marketing and project management processes of DoubleStar.

Tony holds a degree in Marketing from The Pennsylvania State University. He is an active member of the Tri-State Human Resources Management Association (HRMA), The Society for Human Resource Management (SHRM), and the Philadelphia Society of People & Strategy (PSPS).

Barbara Herbein, SPHR, SHRM-SCP
Managing Director, Operations

Barbara joined DoubleStar in 1994 and leads DoubleStar's business operations, contract administration, human capital, and administrative management functions. She has played an integral role as a member of the Leadership Team to set strategic direction for the company, as well as assist in daily operational management. She was instrumental in developing the delivery framework for DoubleStar's market-leading Talent Intelligence services. In addition, Barbara is responsible for DoubleStar's HR practices, processes and technology, including the design and implementation of the company's original Human Resources Information System.

Prior to joining DoubleStar, Barbara served in lead corporate administrative and operational roles with some of the area's leading technology and financial services organizations.

Barbara holds her Senior Professional in Human Resources certification from The HR Certification Institute, a SHRM Senior Certified Professional certification from Society of Human Resource Management, and is a Merit Graduate of Katharine Gibbs School. Barbara is a member of the Society for Human Resource Management and is also a member of and serves as a volunteer for Chester County Human Resources Association.