John Nurthen manages the team that delivers international research content for Staffing Industry Analysts (SIA). He has over 30 years of 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, as well as 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 Human Resources Extensible Markup Language (HR-XML) Staffing Industry Data Exchange Standards (SIDES). Nurthen has been responsible 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. He lives in a small village in North Hertfordshire, UK with his wife, a wood-fired oven and two Gretsch drum kits.

John Schroeder is the managing director of custom research at Staffing Industry Analysts (SIA). In this newly created position, he helps clients with strategic market intelligence. This includes market sizing, market growth and market landscape for internal corporate strategy as well as through leadership designed to grow clients’ brand equity, awareness and market presence. Prior to joining SIA, Schroeder led marketing consulting firm Nova Foresight, creating growth strategies for HR tech, B2B and consumer companies. Before Nova, he founded and led a global innovation group at market research firm Nielsen and worked as a consultant at Deloitte. Schroeder has a Master of Business Administration in strategy, marketing and finance from the Kellogg School of Management at Northwestern University.

Kevin Chen is a research analyst at Staffing Industry Analysts (SIA) and covers talent acquisition technology, staffing platforms, workforce solutions mergers and acquisitions, and the Largest Staffing Firms in the United States lists. Chen joined SIA in 2021 as a research associate covering IT staffing. Prior to joining SIA, Chen worked in the technology sector where he provided research on financial technology startups. He was introduced to the staffing industry after being employed as an IT contractor. Chen graduated from the University of California, Berkeley with a Bachelor of Arts in economics and minors in data science and demography. In his spare time, Chen enjoys going to concerts and supporting his hometown 76ers.

Timothy Landhuis is vice president of research at Staffing Industry Analysts (SIA). He oversees a range of research studies, research products and presentations on behalf of SIA’s North America-based research team. Since joining SIA in 2011, Landhuis has authored reports such as the United States Staffing Industry Forecast, Largest Staffing Firms in the United States, the Staffing Industry Benchmarking Consortium (SIBC) Benchmarking Study and the Workforce Solutions Buyers Survey. This is in addition to reports on industrial staffing, education staffing and the Canadian staffing industry. Landhuis has guided the development of data tools on compensation rates, mergers and acquisitions, and staffing industry size and growth rates by occupation and geographic regions. He is a frequent presenter and moderator at industry conferences and events. Prior to joining SIA, Landhuis worked as a financial analyst and recruiter at leading firms in the semiconductor, software and financial services sectors. He has a Bachelor of Arts from Stanford University and a Master of Business Administration from Washington University in St. Louis.