Cali Williams Yost is the leading authority on high performance work flexibility. A visionary workplace futurist, strategist, author, and keynote speaker, Yost is the Founder and CEO of the Flex+Strategy Group, a solutions company helping organizations unlock performance and engagement by reimagining how, when, and where work is done. She coined and codified her concepts on the flexible future of work in the empowering book, Tweak It: Make What Matters to You Happen Every Day, (Center Street/Hachette, 2013), and the critically- acclaimed, Work+Life: Finding the Fit That’s Right for You (Riverhead/Penguin Group, 2004).  www.flexstrategygroup.com