John Giannullo is a President at Rainbow International. He possess expertise in mold remediation, restoration, water damage, contract negotiation, mold and 28 more skills. Colleagues describe him as "John and his firm always was there for us whenever we needed him. He provided a high quality service to our communities. His quality of work is impecable. John's expertise in mold remediation helped me close a recent sale by providing my client sage wisdom in the clean-up of a property."