ProofLoyalty proofloyalty.com info@proofloyalty.com (415) 297-0084 Mobile apps tailored to the needs of the wine industry. Matt Wood President mwood@proofloyalty.com Location Address 181 Magee Ave Mill Valley, CA 94941 Mailing Address 181 Magee Ave Mill Valley, CA 94941 Products & Services Technology & Industry Data Winery Technology Web Development Update Profile