"Foursquare has been lucky to have Charlie as a consultant to help guide us through the constant people challenges of a rapidly growing organization, ranging from evolving management structures, career development, title laddering, calibrating compensation with the market, and more. Charlie has served as an excellent outside adviser, drawing on …

"Charlie and his team at Gray Scalable have been an invaluable resource for us. As Vimeo took the plunge into developing a structured interview process, Charlie partnered with us every step of the way from beginning to end: he is a strategist, a teacher, a thought-partner, and a project manager …