Who We Are

Mark Kerske - Founder and Principal

Mark is GB's knowledgeable Landscape Division Manager. His business experience, insights, dedication and vision give the company an edge in the areas of service development and client management. Mark single-handedly founded the company after recognizing the need, and watching the unfilled market opportunity. After establishing a firm foothold in the market and launching the company's initial growth, Mark brought his sons in to the business to help him expand GB's success. He has been a resourceful and motivated entrepreneur for over 25 years.