Raanan Liebermann has a respected presence in the North Haven, Connecticut, community with a background in technological innovation that improves lives. As president of Signtel, Inc., Raanan Liebermann guides a firm that has been preparing for market his developed leading edge products for those who are deaf, blind, as well as deaf and blind. Since 2000, Dr. Liebermann has overseen all aspects of operations, from ground-up development to supervising and managing operations encompassing more than 200 employees. Patented products created include the Electronic Cane, which enables communication and navigation for the blind and both the blind and deaf that does not require hearing or sight. Dr. Liebermann’s firm has also developed the patented Telephone for the Deaf and the patented TV that meets the needs of the deaf, blind, and deaf-blind. Incorporating artificial intelligence, an overarching system is the patented Emergency Alert Service. A new, freely available, Touch Language has also been created that does away with restrictive vocabulary and grammatical constructs. In addition to his business, Raanan Liebermann had created and oversaw the New Haven Police Stress Unit and the New Haven Police Hostage Negotiation team, and earned the Board of Police Commissioners commendation award for his efforts.