About Us

Jeff serves as the company’s President and is a co-founder of WorkMarket. Jeff has a long track record as a successful entrepreneur across the technology and services landscape. He has successfully built and sold multiple tech companies, including SpinBack to Buddy Media, which was subsequently purchased by Salesforce.com for $800 million.

Jeff has a deep background and passion for talent management and is widely recognized as a thought leader on labor force evolution. He speaks regularly on the subject of modernizing workforces and the role of contingent labor and has been a contributing writer to Forbes on the topic. Jeff holds a B.S. and an M.S. from Cornell University and an M.B.A. from Harvard Business School.

Jens joined ADP in 2013 as Vice President Strategy & Innovation in its Small Business Services organization, and subsequently was General Manager at ADP’s internal new business incubator ADP Ventures. At ADP Ventures, Jens drove ADP’s initiatives around the gig economy as well as the acquisition of WorkMarket. He is now the General Manager at WorkMarket, where he is focused on driving scale in the business and leading the integration with the ADP ecosystem. Prior to ADP, Jens spent 10 years as a strategy consultant with Bain & Company in Europe, Asia and the US. Jens holds an MA in Economics from Ghent University (Belgium), an MSc in Economics from the London School of Economics and an MBA from Harvard Business School, where he received the Dean’s Award.

Ellen is Vice President, Counsel at ADP where she focuses on emerging compliance issues and is the lead attorney for WorkMarket. Ellen started her ADP career in 2008 with a focus on new business development. She has extensive experience in bringing new and emerging solutions to WorkMarket, as well as providing training and day-to-day advice on compliance.

Ellen gives insights on the gig economy, she is a frequent speaker on the gig economy, pay equity, health care reform, and various employment law issues and their effect on employers of all sizes. Ellen received her undergraduate and law degrees from the University of Notre Dame.

As VP of Business Integration, Mark drives integration & scaling of WorkMarket’s business functions into ADP’s products, processes and back-office systems. Mark started his ADP career in 2001 and has held various cross-functional roles from sales & sales operations to program management while supporting clients of all sizes- from small business to enterprise. Prior to WorkMarket he was Senior Director, Program Manager for ADP’s Affordable Care Act solution, where he led the highest priority cross-functional projects in ADP’s fastest growing business in its history.

Yujin Kim is a proven technology leader with over 20 years of experience ranging from consumer software to enterprise software. Yujin joined WorkMarket in 2015 and is currently responsible for developing innovative, secure and scalable software solutions for WorkMarket’s enterprise clients and freelancers on the platform.

Prior to joining WorkMarket, Yujin was responsible for large scale platform operations for The New York Times and other media companies where he spearheaded cloud adoption strategy, cost management and agile development. He also has experience in developing enterprise content management software, B2B exchange and large scale ecommerce systems.

Grady is a product management executive with more than 20 years of software experience spanning consumer, enterprise, and platform technologies. He has a proven track record of developing innovative product concepts, identifying emerging market opportunities and delivering commercialized software successes.

Prior to joining WorkMarket, Grady served as vice president of Product Management for Vonage where he led their mobile business strategy and product efforts. Before that, he served as VP of Product Management at Animoto, CEO of mobile content provider Phone Sherpa, and Director of internet jewelry retailer Blue Nile. Earlier in his career, Grady spent 9 years at Microsoft in various product and general management roles working on platform technologies and the first version of Microsoft’s Tablet PC. He holds a B.S.E in Computer Engineering from the University of Michigan.

Jenny is a Vice President of Finance for ADP’s Compliance Solutions Division and oversees the WorkMarket Finance team. She has been at ADP for 30 years with various Finance roles in Corporate, Major Accounts and Compliance Solutions.

Her current focus is supporting WorkMarket with financial decisions and overseeing the Financial Forecasting, Planning and Analysis for results reporting. She is also working closely with other areas of ADP to ensure integration to ADP’s financial systems including Oracle Order to Cash and Oracle Financials. Jenny is a graduate of Lehigh University.

John runs Solutions Engineering and Professional Services at WorkMarket where he helps clients integrate the WorkMarket platform with their existing systems. John was the Founder and CEO of Crowdster, a peer-to-peer engagement platform for nonprofits that later pivoted into gamification solutions for enterprises.

John’s entrepreneurial roots started with FatWire Software, an enterprise Web Content Management software company he started in a bedroom with two partners. John holds an MBA from the University of Maryland with a concentration in Information Technology and Operations Management and a BA from Tufts University.

Bridget is the VP of Customer Experience with 15 years experience in sales and service. She is currently responsible for enabling the organization to strengthen and expand the business relationships with focus on thought leadership, business insights, and data analysis to provide an easy and effortless experience for our clients and workers.

Bridget joined WorkMarket in 2014 and leveraged an agile workforce model to lead successful service and operations teams. Prior to joining WorkMarket, Bridget served in various leadership roles for some of the leading proprietary education groups, where she led high performance sales and service teams to drive trade based professional certification programs.