Colleen Brennan is an experienced Senior Estimator currently working at rand* construction corporation since July 2021. Prior to this role, Colleen Brennan served as a Senior Estimator and Estimator at Structure Tone Southwest from April 2017 to June 2021. Colleen Brennan began the career as a Rotational Project Engineer at Structure Tone, where the tenure lasted from June 2013 to April 2017. Colleen Brennan holds a Bachelor of Applied Science degree in Business, Management, Marketing, and Related Support Services from the Fordham Gabelli School of Business, obtained between 2009 and 2013.