Ashley
Mextorf

Partner, Chief Administrative Officer

Ashley is Chief Administrative Officer at Graintree, where she oversees human resources, corporate administration, and marketing, while supporting firmwide execution, internal communications, and organizational development. She brings deep leadership experience building scalable corporate infrastructure, with a career focused on operational effectiveness, people strategy, and aligning internal platforms with long-term growth objectives.

Most recently, Ashley served as Vice President and Chief of Staff to the President of the Private Bank at Flagstar, where she supported private bank strategy, executive operations, and cross-functional initiatives. Prior to Flagstar, she was Senior Director of Strategy and Administration at First Republic Bank, where she led human resources, communications, marketing, office administration, and project management for the New York Private Banking sales teams.

Ashley holds a Master of Music in Voice Performance & Pedagogy from Westminster Choir College at Rider University and a Bachelor of Music in Voice Performance from Ithaca College. She grew up on Long Island and now resides there with her family.