Alexandria, VA (May 8, 2019) – WINiT by GBTA, a network driving positive change for the career mobility of women in the travel-related industries, today announced speaker, author and change-agent Joanna Martinez will be a featured speaker at WINiT Summit 2019 – Chicago on August 3rd at McCormick Place. Martinez will draw from experiences and lessons showcased in her book “A Guide to Positive Disruption” to navigate attendees through her proven process for driving positive change within organizations.