Mark Herschberg is the author of a new book called, 'The Career Toolkit.' He is also an instructor at MIT's Career Accelerator Program and a Fractional CTO for companies in the start-up world. Mark guested on the show this week to talk about his book, why he wrote it and how it evolved. It is a worthwhile read filled with practical advice for anyone at any age that might be struggling to start, change or redefine their career. https://thecareertoolkitbook.com Write to CTTN Podcast: dturano9101@gmail.com Follow us on Instagram, Facebook and Twitter @cttnpodcast