Founded in 1989, Staffing Industry Analysts (SIA) is the global advisor on staffing and workforce solutions. Our proprietary research covers all categories of employed and non-employed work including temporary staffing, independent contracting and other types of contingent labor. SIA’s independent and objective analysis provides insights into the services and suppliers operating in the workforce solutions ecosystem, including staffing firms, managed service providers, recruitment process outsourcers, payrolling/compliance firms and talent acquisition technology specialists such as vendor management systems, online staffing platforms, crowdsourcing and online work services. We also provide training and accreditation with our unique Certified Contingent Workforce Professional (CCWP) program.

Known for our award-winning content, data, support tools, publications, executive conferences and events, we help both suppliers and buyers of workforce solutions make better-informed decisions that improve business results and minimize risk. As a division of the international business media company, Crain Communications Inc., SIA is headquartered in Mountain View, California, with offices in London, England.

Leadership


Barry Asin
Barry Asin President
Barry Asin was appointed President of Staffing Industry Analysts in January 2010, with overall responsibility for the company’s strategy, operations and growth, both in the U.S. and globally. He has been with the company since 2003, most recently as Chief Analyst and Managing Executive, where he led the team responsible for SIA’s award-winning research and content. A leading authority on the staffing industry, contingent labor and contingent labor management issues, he is a frequent speaker at industry events and his expertise is quoted in major business and industry publications, including the New York Times, BusinessWeek, Inc. Magazine, and USA Today, among others. Prior to joining SIA, Asin spent nearly 12 years as a senior executive at global staffing leader Adecco SA. Before Adecco, he held operations management positions with Pepsico, and he began his professional career with Andersen Consulting, the predecessor of Accenture. He holds an M.B.A. from Harvard University and a B.S. in engineering from Princeton University.
Diana Gabriel
Diana Gabriel SVP, Global Strategy & Solutions
Diana Gabriel joined Staffing Industry Analysts in 2006 in the role of Strategic Solutions executive and is responsible for strategy, advisory services and sales. She possesses over 15 years of experience in the staffing industry working for Adecco North America, PrO Unlimited and ICGCommerce. Her experience includes managing all aspects of branch operations, successfully driving sales and profitability. While in her corporate role she worked closely with the North American sales team managing large account contract deliverables. In addition, Gabriel worked for PrO Unlimited managing onsite programs for large Silicon Valley technology customers and spent two years with a national consulting company implementing customized contingent staffing programs, partnering with both MSP and VMS companies.
John Nurthen
John NurthenExecutive Director, Global Research
John Nurthen manages the team that delivers Staffing Industry Analysts’ international research content. He has over 25 years’ experience in the staffing industry, having previously worked in senior managerial roles for three of the world’s largest staffing companies: Select Appointments, Vedior and Randstad. He played an active role in major equity offerings and mergers.

Nurthen was a founder of the International Review of Employment, published in four languages, and DOVA, one of the largest global databases of online vacancies. He played a leading role in the development of common data standards with the creation of HR-XML SIDES.

He has held responsibility for internal and external communications, e-Business, technology matters, marketing, research, procurement and corporate social responsibility. Nurthen’s experience makes him an authority on global recruitment and contingent workforce issues.

Bryan Peña
Bryan PeñaSVP, Contingent Workforce Strategies
As Staffing Industry Analysts’ Senior Vice President, Contingent Workforce Strategies, Peña is internationally recognized as the expert on contingent workforce management strategies and tactics. His primary function is to manage the unique needs of the CWS Council globally, helping these companies deploy cutting-edge strategies for managing their contingent labor and, as required, provide buy-side view points to staffing firms. He is also responsible for drafting and executing the CWS Council research agenda with the ultimate goal of advancing thought leadership around the growing field of contingent work. An accomplished speaker and presenter, Peña’s specific expertise comes from over a decade of strategic sourcing experience in Fortune 500 companies and includes services pricing and negotiation strategies, contract construction, risk management, and international MSP and VMS program delivery models.Peña is also known for his bimonthly column, which runs in Staffing Industry Analysts’ publications.Peña graduated with a B.A. in economics from University of California at San Diego.
 Subadhra Sriram
Subadhra SriramPublisher & Editor, Media Products
Subadhra Sriram was appointed publisher and editor, media products of Staffing Industry Analysts in October 2014. She is responsible for the company’s global media and digital strategy, supervising all editorial functions. Her role allows her to oversee SIA’s content channels while managing brands that strengthen SIA’s cutting edge-research. She has founded and moderates the leading forum of user-generated content where the voices of the staffing industry are heard.
Prior to SIA, Sriram has had over 15 years of journalism experience at premier Fortune 500 publishing houses including Time Warner publications, Money magazine, Business 2.0 and Fortune Small Business. She began her career in India working for a national news magazine. She holds a Masters from Northwestern’s Medill School of Journalism and a BS in English Literature and Economics from St Xavier’s College, Calcutta University.
Ursula Williams
Ursula WilliamsSVP, Global Strategy & Marketing
Ursula Williams joined Staffing Industry Analysts in October 2015 as SVP of Global Strategy and Marketing. She has more than 25 years of experience, most recently as a senior executive at Randstad Professionals and Vedior, where she was responsible for strategy, sales and delivery for the largest contingent labor buyers in the division.
Prior to that, Williams was EVP in a corporate headquarters role, where she was responsible for sales strategies, new product development, branding, web strategies, client development and candidate recruitment programs. She led several branding transitions and was the international lead to the worldwide finance and branding proposition team during the Vedior/Randstad transition.
Williams’ unique background includes both corporate strategy as well as years of direct line responsibility for driving results in the field in retail and large contingent staffing programs, and direct hire placement.