Parametrix selects Leslie Sowles, SPHR, SHRM-SCP as Director of Human Resources


Leslie Sowles headshotSeattle, WA – Parametrix has selected Leslie Sowles, SPHR, SHRM-SCP as director of human resources. She brings over two decades of experience in the engineering and consulting industries.

Sowles comes to Parametrix from Consor Engineers where she served as director of employee relations. In this role, she oversaw the development of policies and employment practices, provided coaching to leadership, and developed training. She holds senior-level certifications from the Human Resources Certification Institute (HRCI) and the Society for Human Resources Management (SHRM).

At Parametrix, she joins the firm’s Enterprise Leadership Team providing human resources leadership in alignment with the firm’s vision and strategic plan.

“I look forward to partnering with Leslie as we continue to make Parametrix the best place to work for our employee-owners,” said Parametrix President and Chief Executive Officer, John Willis, PE.

“The Parametrix model of collaborating with clients to create sustainable communities and prioritizing team culture is very appealing to me. I’m excited to be an employee-owner at Parametrix,” said Sowles.

About Parametrix

Parametrix is a 100-percent employee-owned consulting firm helping clients deliver resilient infrastructure, livable communities, and environmentally sustainable solutions. From offices across the Western United States, our team of engineers, planners, scientists, landscape architects, surveyors, project managers, and construction managers are helping our clients imagine what’s possible and create tomorrow, together. Learn more at

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