Meet Our Team

Today’s competitive market for talent requires service that goes above and beyond, which always starts with an organization’s values and leadership. With decades of combined experience in staffing, our leadership team has the knowledge to bring your staffing strategy to the next level.

Greg Lambert

Greg Lambert

CEO

As CEO, Greg is responsible for leading the profitable growth of the company while maintaining the values and standard of service that have been foundational to the company’s success.  Greg’s highest priority is developing leaders in the organization who share this passion, vision and commitment. Greg has held many roles at TERRA including Branch Manager, ...

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Scott Di Valerio

Scott Di Valerio

Chief Financial Officer

As Chief Financial Officer, Scott’s primary focus revolves around providing strategic financial forecasting, delivering historical data insights, and offering key performance indicators. Through these efforts, Scott aims to empower leaders within the company to drive operational success and achieve business goals.   Prior to joining our team, Scott held various finance positions for renowned companies ...

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Ann Medalia

Ann Medalia

Executive Vice President

Ann came to TERRA with more than a decade of staffing industry experience leading a multi-office business unit. Since joining TERRA in October 2010, she has been instrumental in market development, leadership development and leading expansion efforts. A native of New York, Ann’s husband, Mike, is a Northwest guy who brought her to this corner of ...

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Jenifer Lambert

Jenifer Lambert

Chief Strategy Officer

Jenifer started in the staffing industry while still in college and what was meant to be a short-term stint to help out the family business sparked a passion for this industry that has led to a multi-decades career touching virtually every aspect of the business.  Her focus today is ensuring the company hits its revenue ...

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JoAnn Xydis

JoAnn Xydis

EVP, Sales & Market Development

JoAnn has been an integral part of TERRA’s success story, serving in a variety of roles. She started with the company as a recruiter, quickly became a top producer, and was promoted to Seattle Branch Manager in 2005. As Vice President of Corporate Services, she was responsible for HR, risk management, enterprise business services, and ...

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Michelle Harbarcuk

Michelle Harbarcuk

Executive Vice President, Service Delivery

Michelle joined TERRA in 2011 as the Branch Manager of TERRA’s Federal Way Branch.  In less than two years she helped transform that branch into TERRA’s 2012 Branch of the Year. In early 2013, Michelle was promoted to Area Manager and was responsible for the performance and growth of TERRA’s Tukwila and Tacoma branches. In ...

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