Our People

Mendon comes to Dev/Null from a career in management consulting focusing on IT strategy and turnaround, new business implementation, joint ventures, and software development. During that time, he frequently liased with infosec leadership to coordinate their activities. Joining Dev/Null, he brings broad tactical and strategic experience to bear. His vision is to empower Dev/Null’s customers to build a robust culture of continuous improvement, enabling them to permanently assess and prevent their greatest threats on an ongoing basis.

Mendon has spent much of his career working with large, highly regulated enterprises. Where many of his team members have deep technical knowledge, he brings to bear a view of assurance, process, and politics to ensure that they are able to operate within novel, complex environments with diverse stakeholders. His experience in finance, accounting, program management, and product ownership gives him a wide view of the needs of organizations and appreciation for the constraints of the practical applications of security, helping him to balance the importance of confidentiality, integrity, and availability with the needs of the business.

When he isn’t working, he is a husband and father of two. He enjoys hiking, rowing, and tabletop board games.

With over two decades of experience and a CISSP certification, Andy has built a reputation in finance, retail, and public sector environments for delivering sophisticated PKI and Vulnerability Management solutions. He has designed and maintained extensive SSL estates and engineered robust PKI infrastructures for financial, and retail organisations, and lead a multi-year SOC transformation for a large public sector customer. His expertise extends to risk based exposure management, designing, deploying, and operating RBVM solutions and automating reporting and remediation workflows. A clear communicator and go-to guide, he routinely engages C-suite stakeholders, translates complex security concepts into actionable plans, and mentors junior team members to uphold industry best practices. 

Before finding his calling in security, Andy trained as an architect and has had some unusual hobbies as a ghost tour guide, magic consultant, and paraglider pilot. 
 

With more than 18 years of hands-on experience in security engineering and IT operations, Tom has built a reputation for delivering high-impact SIEM, SOAR, and automation-led solutions across MSSP and enterprise environments. Known for blending deep technical depth with clear, outcome-driven communication, he works closely with senior stakeholders to translate complex technical challenges into scalable, measurable, and resilient capabilities that uplift security operations.

Throughout his career, he has led high-performing engineering teams, shaped service strategies, and driven innovation across multiple domains. He has headed multidisciplinary customer-facing engineering functions, introduced Agile delivery frameworks to improve service efficiency, and designed scalable security architectures that enhanced SOC performance for organisations across EMEA. His long tenure in senior engineering and solutions architecture roles saw him architect enterprise-grade SOAR solutions that delivered significant operational efficiency, develop internal training programmes to accelerate consultant growth, and present at major industry conferences. A five-time Splunk Trust member, he is widely recognised for his community contribution, technical leadership, and commitment to developing others. Earlier in his career, he supported mission-critical infrastructure for the Galileo satellite programme at the European Space Agency and provided IT services for the UK Ministry of Defence forces deployed globally.

Outside of work, he channels his competitive streak into Historical European Martial Arts, where he competes in Longsword & Messer tournaments and serves as an assistant instructor. When not spending time with his kids, he enjoys weightlifting, gaming, and perfecting the craft of slow-smoked barbecue; pursuits that balance precision, patience, and a love of learning new skills.

Dave is a highly experienced Identity and Access Management (IAM) and Identity Governance & Administration (IGA) specialist with a strong track record of delivering secure, scalable solutions for complex enterprise environments. Based in Norwich, Dave brings deep technical expertise and strategic insight to every engagement, helping organisations strengthen their security posture while enabling seamless user experience.

Over the course of his career, Dave has followed a clear growth trajectory from hands-on IAM administration into senior consultancy and solution architecture. Starting with day-to-day operational responsibilities — such as user lifecycle management, access provisioning, and platform support — he developed a deep understanding of how identity systems function in real-world environments. Building on this foundation, Dave progressed into designing and leading IAM and IGA solutions at an architectural level, shaping governance models, role frameworks, and integration patterns that align technical capability with business needs. This blend of practical experience and architectural thinking allows him to design solutions that are both robust and realistic.

Outside of his professional role, Dave has a long-standing love for programming. This passion has led him to design and build mobile applications using React Native, exploring everything from concept to deployment. Several of these apps have been successfully published on both the Apple App Store and Google Play Store, allowing him to continuously experiment, learn, and bring creative ideas to life through code.

With a distinguished career spanning two decades across in‑house, RPO, and agency environments, Stanley has built a reputation for delivering high impact talent acquisition solutions within technology, telecommunications, cybersecurity, and digital product organisations. As Head of Talent at Dev/Null Security, he leads end‑to‑end resourcing, workforce planning, and candidate experience.

Throughout his career he led large‑scale hiring across engineering, compliance, operations, and product teams. Implemented recruitment strategies, KPI's and data‑driven reporting and shaped ATS adoption and hiring manager training. He championed internal talent mobility and diversity initiatives. His earlier career includes delivering recruitment solutions for global technology and telecom firms such as Ericsson, Alcatel, Huawei, Nokia Siemens Networks, Johnson & Johnson, and Unilever.

Outside of work, Stanley is known for his passion for sports, from cycling, snowboarding to Pétanque, though football, and Arsenal firmly at the centre of it. He likes exploring new places, travelling with his family, growing his ever-expanding trainer collection, and plays an enthusiastic role in expanding his son’s Lego collection.