Gemko Information Group Inc., a subsidiary of The Bonadio Group LLP accounting firm, has hired longtime sales professional Kevin Corcoran to oversee the next chapter of the 24-year-old technology consulting company. Corcoran came on board as president in early May and succeeds Michael Scalzo, who previously split his time between Gemko and Athena, a sales lead-generation unit of The Bonadio Group. Scalzo will now devote his time entirely to Athena. Corcoran, a Canisius College graduate, was most…