ISA Team


Cathy Shaw – Inside Sales, Customer Service
Cathy was a stay at home mom for 20 years raising her family, after her youngest son was diagnosed with autism she got an interest in Nutrition and Healing the body naturally and it landed her a job in a health food store where she worked In Tennessee for 3 1/2 years learning, and helping people. Helping people heal and feel better was her favorite.

Cathy came to Integrated Solar after moving back to Brattleboro in 2018. Her passion for helping people, and caring for our earth, her willingness to learn and positive attitude makes Cathy a valuable Renewable Energy Team Member in customer service and inside sales.

Cathy enjoys being with family, she loves long drives on VT back roads with her husband, she loves the outdoors, going to the beach, hiking, biking, kayaking, horseback riding, skiing, skating, painting, baking, gardening, and she loves making her own Kombucha and Fire Cider.

Francesca Donati
Francesca Donati – Design and Sales
Since moving to the Brattleboro area in 1999, Francesca has had some interesting opportunities come her way. She has worked in a sales capacity at CSRwire, the corporate social responsibility newswire, and Credit360, a provider for integrated carbon management and sustainability software. Prior to her move to Vermont, and upon graduating from Northwestern University with a BSEE in 1987, she worked as a Software Engineer for Digital Equipment Corporation in Andover, Massachusetts. Drawing from her academic background, and with the experience gained in her previous employment, becoming a member of the sales team at Integrated Solar seemed like a natural fit. In her limited spare time, whether rain, snow, or sunshine, she enjoys walking in the Vermont woods with her longtime companion, Butterscotch.
Katrina Wilson - Office Manager
Katrina Wilson – Vice President of Operations
Katrina is Vice President of Operations and Sales.  Katrina originally joined Integrated Solar in 2009 and earned her NABCEP Technical Sales Certification in 2015.  Katrina holds an Associate’s Degree from Greenfield Community College in Fine Art and a B.S. Degree from Keene State College in Business Management.  Katrina previously worked with Vermont National Bank for eleven years in positions of Reconciliation, Quality Control, Customer Service and Computer Technician.  Katrina also has worked with Kroka Expeditions as Financial and Marketing Director as well as ForesTrade, Inc. as Inventory Manager, Logistics Coordinator and Accounting Assistant.  Prior to coming to Integrated Solar, Katrina operated her own accounting and bookkeeping service business for 6 years.  Katrina likes to hike, bike, kayak, canoe, cross country ski, downhill ski, ice skate, dance, run, swim, paint, horseback ride, practice yoga, garden and spend time with her family.
Erik Nielsen – Sales and Design Specialist Erik is a recent graduate from Antioch University New England, receiving a M.S. in Environmental Studies with a focus on Sustainable Development and Climate Change and has a B.A. from Dickinson College in Environmental Studies. He has previously worked as a Conservationist, GIS Mapping Analyst, Environmental Outreach Coordinator, and Farmer and has past experience with Solar Installation and System Design. Erik has also travelled to over 30 countries and is native to the Connecticut River Valley Region. Rooted in this diverse background of both international and local stewardship, Erik spends his spare time hiking, camping, and travelling with his family.
Ryan Lloyd - PV and Geothermal Installer
Ryan Lloyd – Lead Installer
Ryan is a PV and Geothermal Installer.  He came to Integrated Solar after a layoff and job retraining program at Greenfield Community College where he was introduced to renewable energy technologies and obtained an Associates Degree in the Liberal Arts focused in renewable energy.  Ryan’s hard working “can do” positive attitude makes him a valuable installation team member.  Ryan enjoys working out at the gym, walking, hiking, kayaking, motorcycle riding, camping and mountain biking.
Jeffrey Robison - Vice President/ Field Manager
Jeffrey Robison – Vice President/ Field Manager
Jeff is an owner and Vice President at Integrated Solar and manages all field operations.  Jeff has extensive experience in the construction industry having worked as a tradesman, supervisor and construction manager for over 35 years.  Jeff previously owned and operated Jebaro, Inc. a construction company which specialized in construction projects for bank OREO (Other Real Estate Owned) properties where he provided services to BankNorth, Vermont National Bank and Merchants Bank.  Jeff’s extensive knowledge and ability to figure out any construction obstacle is invaluable to Integrated Solar.Jeff enjoys water sports, golf, motorcycle touring, downhill skiing, and spelunking (cave exploring).
Andrew Cay - President
Andrew Cay – President/ Owner
Andy received a B.S. in Mechanical Engineering from Worcester Polytechnic Institute with Distinction and an MBA from the University of North Carolina.  In 2008, Andy acquired Solar Applications Company and changed the name to reflect a focus on combining technologies to achieve net zero energy solutions. Andy worked for IBM Corporation as a manufacturing engineer, Related Companies as a mortgage broker and real estate development project manager, and BankNorth as a real estate workout specialist.  He owned a real estate development and construction company specializing in energy efficient housing.  He enjoys road biking, hiking, running, ice hockey, downhill skiing and spending time with his family.
Alain Ratheau - Founder/ Engineer
Alain Ratheau – Founder/ Electrical and Mechanical Engineer
Alain as Lead Engineer coordinates project design and technical installation.  Alain received a Baccalaureate Degree from E.F.M. in Paris in Mechanical Engineering.  In Europe Alain held an electrician’s license before moving to Rochester, NY where he worked as a Master Electrician for a Syracuse School System project.  Alain’s knowledge of DC electricity proved to be valuable for the project as it was directly applicable to the heat pump technologies being installed.  Family connections brought Alain to Brattleboro Vermont where he established Solar Applications Company.  Alain owned and operated Solar Applications for 33 years installing solar photovoltaic and thermal systems as well as wind turbines and conventional heating systems.  Alain’s real passion is wind and he hopes to see small wind prosper in his lifetime.