Leadership Team

Leadership Team – Commercial Landscape Contractors

Leadership Team

Tim Portland

Chief Executive Officer

Tim Portland has served as Chief Executive Officer of Yellowstone Landscape since 2012. Prior to joining Yellowstone, Mr. Portland was the CEO of United Subcontractors, one of largest installers of insulation and other building products in the country. Over his ten year career at Scotts Miracle-Gro, he led several lines of Scotts’ businesses. For five years before joining Scotts, Mr. Portland was a management consultant with McKinsey and Company. He has an MBA from the University of Virginia’s Darden Business School, and an undergraduate degree from Dartmouth College.

Elise Johnson

Vice President, Human Resources

Elise Johnson has been Yellowstone Landscape’s Vice President of Human Resources since joining the company in 2010. She earned her bachelor’s degree from Dickinson College, before completing a Master’s Program at Rutgers, The State University of New Jersey. Before joining Yellowstone, Ms. Johnson held similar positions at investment firms in New York and New Jersey.  As Vice President of Human Resources, Ms. Johnson and her staff’s responsibilities include recruiting, employee retention, training, and compliance.

James Herth

Vice President, Business Development

James Herth is Yellowstone Landscape’s Vice President of Business Development, a position he accepted in 2014, after joining the company in 2011 as Branch Manager in the Jacksonville branch location. Mr. Herth is responsible for the growth and development of the company, overseeing the Business Development team. A twenty-year industry veteran, Mr. Herth is a licensed Arborist and holds a bachelor’s degree from Siena Heights University.

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