--- title: "Books by Christian Espinosa" description: "Books by Christian Espinosa, including the bestsellers The Smartest Person in the Room and The In-Between, and the upcoming Medical Device Cybersecurity: The…" lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Person", "@id": "https://christianespinosa.com/#person", "name": "Christian Espinosa", "url": "https://christianespinosa.com/", "image": "https://christianespinosa.com/__l5e/assets-v1/de07e44b-a8e0-4bcc-bcb0-13aec15421f1/headshot-front.jpg", "sameAs": [ "https://www.facebook.com/christian.espinosa.official", "https://x.com/Ironracer", "https://www.instagram.com/christian.espinosa.official/", "https://www.youtube.com/@ChristianEspinosaOfficial", "https://www.linkedin.com/in/christianespinosa/" ], "jobTitle": "Bestselling Author, Keynote Speaker, Entrepreneur", "worksFor": { "@type": "Organization", "name": "Blue Goat Cyber", "url": "https://bluegoatcyber.com/" } }, { "@context": "https://schema.org", "@type": "WebSite", "@id": "https://christianespinosa.com/#website", "name": "Christian Espinosa", "url": "https://christianespinosa.com/", "publisher": { "@id": "https://christianespinosa.com/#organization" }, "inLanguage": "en-US" }, { "@context": "https://schema.org", "@type": "Organization", "@id": "https://christianespinosa.com/#organization", "name": "Christian Espinosa", "url": "https://christianespinosa.com/", "logo": { "@type": "ImageObject", "url": "https://christianespinosa.com/logo.svg" }, "founder": { "@id": "https://christianespinosa.com/#person" }, "sameAs": [ "https://www.facebook.com/christian.espinosa.official", "https://x.com/Ironracer", "https://www.instagram.com/christian.espinosa.official/", "https://www.youtube.com/@ChristianEspinosaOfficial", "https://www.linkedin.com/in/christianespinosa/" ] } ] --- [Skip to content](#main) [](/) [About](/about)[Speaking](/speaking)[Cybersecurity](/cybersecurity)[Programs](/programs)[Books](/books)[Media](/media) Writing Search Ctrl K[Connect](/connect) Books # Three books on the _work_ and the _life_ behind it. Two bestsellers, one on the leadership ceiling that breaks high-IQ technical teams, one a memoir on presence and life in the micro, and a definitive playbook (in progress) on medical device cybersecurity from premarket submission through postmarket surveillance. ![Medical Device Cybersecurity: The Book by Christian Espinosa, cover](/__l5e/assets-v1/3d59bfc7-1c61-43c6-9b26-c6716b254511/mdc-cover.webp) Coming 2026, in progress ## Medical Device Cybersecurity. The Book. Navigating Premarket Submissions and Postmarket Surveillance A complete, working playbook for the teams responsible for shipping safe, secure medical devices. Eleven chapters span the Total Product Lifecycle: regulatory landscape, risk management, Secure Product Development Frameworks (SPDF), security architecture views, interoperability, STRIDE threat modeling, third-party software and SOUP analysis, cybersecurity testing, and structured risk assessment. Every chapter closes with useful tips, key terms, and a real case study from the field. What's inside - Threat modeling, STRIDE & SBOMs Trust boundary analysis, entry point analysis, and threat scenario development, with a worked STRIDE case study. - Risk management & TPLC Building a cybersecurity risk management report that holds up across the Total Product Lifecycle, premarket through postmarket. - Secure Product Development (SPDF) FDA-aligned development, security architecture views, and design controls that actually clear submission. - Third-party software & SOUP Managing components, Software of Unknown Provenance, and SBOMs with a SOUP case study in medical imaging. - Global regulatory alignment FDA, EU MDR, PMDA (Japan), NMPA (China), TGA (Australia), plus NIST, AAMI, and IEC standards mapped to one program. - Real case studies Philips Tasy EMR (2018), SaMD 510(k), wearable health monitoring, and remote patient monitoring testing. [Book details & launch list](/books/medical-device-cybersecurity)[Read excerpts](https://medicaldevicecybersecuritybook.com/#excerpts) ![The Smartest Person in the Room by Christian Espinosa, cover](/__l5e/assets-v1/f05a18d1-7cee-4c9b-823c-d731d8086453/tspitr-cover.jpg) Bestseller ## The Smartest Person in the Room. The Root Cause and New Solution for Cybersecurity Opens with Dick Cheney disabling the wireless on his pacemaker because he feared assassination by hack, and uses that image to argue the root cause of the cybersecurity war is not technology, but the people defending us and the smartest-person-in-the-room ego that keeps them from communicating. Drawn from thirty years in the field and the founding of Alpine Security, the book lays out a seven-step Secure Methodology that turns brilliant individual contributors into leaders who can actually be heard. What's inside - 01 · Awareness Notice the habits, stories, and reactions quietly running the room before anything else can change. - 02 · Mindset Trade ego, posture, and fear of ambiguity for curiosity, ownership, and a growth orientation. - 03 · Acknowledgment Confirm what was actually heard before replying. The handshake most technical conversations skip. - 04 · Communication Translate technical depth into language a non-technical executive can act on, without dumbing it down. - 05 · Monotasking Presence is your ally, distraction is your enemy. Run the conversation in front of you, fully. - 06 · Empathy Cognitive empathy as the unlock for high-trust technical teams, even for engineers who think it is fluff. - 07 · Kaizen Compound improvement through honest self-review, retros, and small reps that beat heroic overhauls. - Growth & contribution The closing chapter on what happens after the seven steps: leading other smart people through the same arc. [Buy on Amazon](https://www.amazon.com/Smartest-Person-Room-Solution-Cybersecurity/dp/1544516215)[Read book details](/books/the-smartest-person-in-the-room)[The companion course](/programs/secure-methodology) ![The In-Between: Life in the Micro by Christian Espinosa, cover](/__l5e/assets-v1/728730f5-b94d-487a-a6b6-146ce9db0c92/in-between-cover.jpg) Bestseller · Memoir · 2023 ## The In-Between. Life in the Micro Opens with a chain-reaction car accident on May 9, 2022, where Christian and his partner Vanessa stop to help and everything snaps into focus. From that in-between moment, the book traces a path out of a macro-obsessed life of summits, exits, and chase, into a present-moment way of leading and living. Ten chapters move from rock-bottom to actionable awareness, identity, intention, authenticity, core-value alignment, presence, insight, leadership, and the in-between in action. What's inside - Rock-bottom & awareness The Danish breakdown and the slow turn from macro-chasing to actionable awareness of what is happening right now. - Resetting identity & intention Trading a chase-defined self for informed intentions, authenticity, and a way of choosing that holds under pressure. - Core value alignment Surfacing the values quietly running the show and re-aligning work, relationships, and ambition around them. - Presence & insight The micro-moment practice that turns presence into insight, and insight into better decisions at scale. - Leadership from the in-between What it looks like to lead a company, a team, and a partnership from the present moment rather than the next milestone. - The in-between in action Field stories from the car crash, climbs, business exits, and partnership where the micro-practice actually got used. [Read book details](/books/the-in-between)[Buy on Amazon](https://www.amazon.com/Between-Life-Micro-Christian-Espinosa-ebook/dp/B0CP8RYV55) Reader reviews · The Smartest Person in the Room ## What readers are _saying about TSPITR._ [Read all reviews on Amazon →](https://www.amazon.com/dp/1544516215) March 31, 2021 ### ‘Open communication allows us to solve problems and commit to fixing them’ > "This book nails what any cybersecurity professional needs to know. It's not all computers and code. You have to delve into the human element. It is well written, easy to read and understand, and doesn't read like a dry Cisco book. The information covers both practical examples as well as the human psychology behind it. Instead of focusing on what is wrong with computer systems, the author delves into the psychology of self. Highly recommended." , Grady Harp November 4, 2024 ### Informational, but most relevant for cybersecurity employers/employees > "Christian Espinosa’s The Smartest Person in the Room gives readers an internal look at why and how security is not as effective as it should be. The book explores common attitudes, traits, and mindsets of cybersecurity employees, and how these lead to failures and shortcomings, providing a guide for improvement." , Lisa H March 2, 2021 ### The most important thing in cybersecurity \[and self\] > "In a world of ever-increasing knowledge and technology, it is imperative to close the door to the enemy through effective communication. Christian passionately leads the reader on a journey of closing the gap and demonstrating beautifully how to seamlessly weave together intelligence and communication through his brilliant Seven Step Secure Methodology." , The McKenzies May 29, 2025 ### Good > "Good book that provides insights into the cybersecurity field and emphasizes the necessity of communication skills in technology roles. It helped me see the human angle behind technical work, which is often overlooked." , Kailash Rathod April 29, 2021 ### A strong mindset and communication skills as a technical person > "The author illustrates this beautifully through examples and stories. He outlines the importance of communication and people skills, providing practical steps to develop these areas. Highly recommended!" , Gilbert Eijkelenboom Reader reviews · The In-Between ## What readers are _saying about The In-Between._ [Read all reviews on Amazon →](https://www.amazon.com/dp/B0CP9WT8J7) December 23, 2023 ### The impact of ‘micro-moments’ in our lives. > "In The In-Between: Life in the Micro, Christian Espinosa effortlessly looks into the challenges of navigating a success-driven world. He beautifully emphasizes the significance of authenticity, core values, and insight. The book feels authentic, including less proud moments, which add depth." , Piaras January 27, 2024 ### A testament to the power of self-reflection > "This book revolves around living in the moment, highlighting how the author's perspective shifts from focusing on major moments to appreciating minor ones, encouraging readers to value the micro-moments." , Sanjin January 17, 2024 ### A Book About Approaching the World Differently > "The author examines life through the lens of the macro vs. the micro, advocating for a focus on everyday nuances rather than overarching goals, making it a thoughtful read for anyone seeking to reevaluate their priorities." , Steven Finkelstein January 23, 2024 ### A thought-provoking journey into self-discovery > "I believe Espinosa effectively communicates the importance of valuing the micro-moments in our lives. His narrative offers valuable insights and encourages readers to reflect on their own lives." , Agustina January 16, 2024 ### Important reminder of life’s value > "Espinosa explores the impact of a life-altering moment—a car crash—highlighting the importance of appreciating minor moments and urging readers to savor the in-between." , Beachfront Books Bulk orders and speaking ## Want copies for your team, or a keynote built around the work? [Book a keynote](/speaking)[Get in touch](/connect) Christian Espinosa Bestselling author, keynote speaker, and Founding CEO of [Blue Goat Cyber](https://bluegoatcyber.com/). Helping technical leaders develop the soft skills that turn brilliance into impact. 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