ValleyCrest Landscape Companies welcomed back Andrew J. Brennan as its chief operating officer. Brennan returned to the company to provide additional corporate leadership and operational support required to run an organization with the size and breadth of ValleyCrest. He originally began working with the company in 2003 and has since served in several capacities within the firm, most recently as chief operating officer of the maintenance division. Brennan’s focus will be to continue to improve the basics of the business by aligning corporate and divisional resources with customer and branch needs. Previously, he served several years at consulting firm McKinsey & Company. He also worked in a senior operating role at e-learning firm Quisic, and as a senior professional at private equity firm ClearLight Partners. Brennan holds a bachelor’s degree in economics from Williams College.