Mark Shub
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Mark Shub

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Mark Shub is an entrepreneur, family business leader, and lifelong student of human behavior. From nearly failing 11th grade to graduating on the Dean’s List at Bryant University and attending Wharton Business School, Mark’s journey is proof that our beliefs and the biases behind them can be rewritten. As the driving force behind GDF Properties and a key figure in his family’s multigenerational business, Mark has spent decades navigating complex relationships, negotiations, and real world decision making. His success didn’t come from having all the answers it came from questioning the assumptions he’d been handed and learning to see the world more clearly. Mark’s multicultural upbringing and experience working with diverse teams taught him a simple truth: people aren’t rational they’re human. That insight sparked his obsession with understanding the hidden forces that shape our choices, from subconscious biases to emotional triggers. In It’s All BS, Mark blends practical wisdom with psychological insights to help readers challenge the mental filters that hold them back. His writing is rooted in authenticity, shaped by real-life experience, and driven by a belief that clarity leads to freedom. When he’s not writing, you’ll find Mark managing properties, collaborating with his siblings, or spending time with his wife, Arielle, and their three children his greatest sources of inspiration and joy.
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It’s All BS

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  • It’s All BS Audiobook By Mark Shub cover art

    • It’s All BS

    • Navigating Life Beyond Biases, Assumptions, and Emotional Reactions
    • By: Mark Shub
    • Narrated by: Andrew
    • Length: 4 hrs and 53 mins
    • Release date: 07-14-25
    • Language: English
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