Our Team


Robert Hanss, President

Robert Hanss is the founder and president of Robert Hanss Inc., a premier landscape construction firm. Over a career spanning 35+ years, Bob Hanss has been commissioned by distinguished landscape architects and designers to manage the construction of some of the finest gardens in Massachusetts. The firm’s work has been published widely and recognized with awards from the American Society of Landscape Architects and Boston Society of Landscape Architects. Bob holds a bachelor’s degree in landscape architecture from Cornell University and is a registered landscape architect in the Commonwealth of Massachusetts. To Landscape Collaborative, Bob brings the high-touch attention to detail, quality, and rigorous standards that have earned Robert Hanss Inc. the reputation as one of the leading landscape construction firms in New England. 


Michael Piering, Founder

Michael has more than 35 years of experience in the landscaping business, including garden design and stewardship. A Massachusetts licensed landscape contractor and certified horticulturist, Michael brings a unique blend of design and pragmatism to his work. In the field, he is a realistic problem solver, creating design and maintenance solutions for any landscape. His gardens have been featured in House & Garden Magazine and Garden Design. Michael maintains a strong commitment to both the clients and employees of Landscape Collaborative. 


Susan Kennedy, Director of Maintenance

Susan oversees all vendor relations and client needs and coordinates crew deployment so our people get to you. Since 2006, she has been the hub on which our wheel turns.  Prior to Landscape Collaborative, Susan worked as a consultant for EF Education. During her time there, Susan managed a portfolio of 100+ clients, building relationships through personal attention, quality service and consistent follow-through. Her experience in customer relations means a commitment to identifying client interests and needs to develop the best possible service, product and outcome for you.


John Todisco, Account Manager

John brings 20 years of experience in landscaping and landscape management. He began his career with his father’s North Shore–based irrigation business, then worked as a project manager responsible for irrigation systems on Boston’s Big Dig and at Logan Airport. John’s expertise also includes turf management. He especially enjoys working with residential clients in all aspects of property management, from weekly maintenance to holiday lighting and special event decor. 


Catherine Hanss, Account Manager

Catherine holds a dual bachelor’s degree in plant science and business from Cornell University. She cultivated her aesthetic, work ethic, and focus on customer service under her father’s tutelage and through her work at Winston Flowers in Chestnut Hill. Before Landscape Collaborative, Catherine worked in strategic operations, building and managing a 14-person team to address cultural and innovation problems at a New York City startup. She is passionate about the merger of Robert Hanss Inc. and Landscape Collaborative and our ability to provide clients with high-level horticulture and garden service.  


Matt Mattus, Horticulturist

Matt brings immense creativity and over 40 years of plant knowledge to Landscape Collaborative.  Matt worked for Hasbro for twenty-five years as principal designer and Creative Director, his work spanning from My Little Pony to floats in the Macy’s Day Parade. As a horticulturist, Matt trained under Helen Stoddard, a renowned plantswoman, and served as the President of the North American Rock Garden Society. His gardens have been featured in Martha Stewart Living and Better Homes and Gardens. Today, Matt runs one of the top five horticulture blogs in the country, Growing with Plants.