Our Authors

Dave Palmer is a cyber security technical expert with more than ten years' experience at the forefront of government intelligence operations. He has worked across UK intelligence agencies GCHQ and MI5, where he delivered mission-critical infrastructure services, including the replacement and security of entire global networks, the development of operational internet capabilities and the management of critical disaster recovery incidents. At Darktrace, Dave oversees the mathematics and engineering teams and product strategy. He holds a first class degree in Computer Science and Software Engineering from the University of Birmingham.

David Martin is a Partner Account Manager and has three decades of experience across various organisations within the IT sector. He has worked with small startups and large multinational companies. He also founded his own company focused on enhancing early-stage start-up commercialisation efforts. David currently manages Progress' partner relationships in the UK and Ireland. He has a Master of Arts in Marketing from the UK’s University of Lincoln and has studied at INSEAD, Europe’s premier business school in Fontainebleau, France.

David Schiffer is RevBits’ Chief Executive Officer. David Schiffer’s career spans several decades of mathematics and computer science endeavors. He began his career in both technology and international business, after earning two Master’s Degrees in Math and Computer Science. David is the Co-Founder of two technology companies. Prior to co-founding RevBits, he was the Founder and CEO of Safe Banking Systems, which was sold to Accuity / RELX after almost twenty years in business.

Dennis Müllerschön is a Principal in the Risk & Compliance Excellence division at Horváth, specializing in Information and Cyber Security solutions. He has extensive expertise in cyber security, risk management, IT compliance, and management control for national and international clients. His work focuses on developing and implementing holistic cyber security strategies, governance frameworks, risk assessments, and transformation programs. He helps clients strengthen their cyber resilience and ensure compliance with regulatory requirements.
Dennis holds a B.Sc. in Technology and Management-Oriented Business Administration from the Technical University of Munich and an M.Sc. in Accounting & Financial Management from the Stockholm School of Economics. He has been with Horváth since 2014.

Regional Vice President DACH at Regional Vice President DACH

Dotan Nahum is the CEO and founder of Spectral, a developer-first cybersecurity company. Dotan is also an experienced software developer and open-source committer since 1999 with over 100 open source projects of which some are used by Fortune 500 companies like Accenture, as well as public companies such as Wix, and others.

His vast experience as CTO at HiredScore and CTO at Como (Conduit Mobile), and later at fintech unicorn Klarna allowed him to promote engineering culture and effectiveness in Israel by scaling products and companies through building resilient distributed systems, leading cybersecurity strategies, big data analytics, and open source. Dotan is also a 4 times tech author (Packt, Leanpub, among others) and a host of 2 podcasts (Reversim and RTCZ.io) dealing with developers and cybersecurity.

Dotan Nahum is the Head of Developer-First Security at Check Point Software Technologies. Dotan was the co-founder and CEO at Spectralops, which was acquired by Check Point Software, and now is the Head of Developer-First Security. Dotan is an experienced hands-on technological guru & code ninja. Major open-source contributor. High expertise with React, Node.js, Go, React Native, distributed systems and infrastructure (Hadoop, Spark, Docker, AWS, etc.)

Dr. Brett Walkenhorst is Chief Technology Officer at Bastille. Dr. Walkenhorst is the CTO of Bastille where he leads R&D efforts to enhance product performance and add new capabilities. He has over 20 years of experience as a technology leader in RF systems and signal processing. Prior to Bastille, he led and executed R&D efforts at Lucent Bell Labs, GTRI, NSI-MI Technologies, Silvus Technologies, and Raytheon Technologies. His experience includes RF system design, communications systems, antenna design/testing, radar, software-defined radios, geolocation, and related topics. He has authored over 70 publications including papers, articles, and reports, has taught numerous graduate, undergraduate, and professional short courses, and has served as an expert witness on multiple occasions. He is a senior member of IEEE and has served as the Chair of the Atlanta Chapter of the IEEE Communications Society.

Dr. James Norrie, Founder & CEO of cyberconIQ. Norrie has more than 30 years of experience in business management, psychology and the cybersecurity industry. He was the Founding Dean of the Graham School of Business at York College of Pennsylvania and is currently a tenured faculty member at the school.

Dr. Lev Streltsov works as a consultant at the international management consultancy Horváth, where he leverages his academic and practical experiences to assist companies in tackling their cybersecurity challenges. He is also author of multiple international publications, lectures, and presentations on cybercrime, cybersecurity, and related topics. With an original background in law, he defended his PhD on the aspects of legal protection of digital IP. His post-doctoral research on cybercrime at the Max Planck Institute for Foreign and International Criminal Law led him to a deeper understanding of both the significance and multidisciplinary nature of cybersecurity. With support from the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ), Dr. Streltsov has been involved in research and knowledge transfer in Ukraine, including providing expert opinions on draft legislation.