Summary
Mark Tolson is a director and seasoned software leader based in Greater Sydney with 25+ years in enterprise development and a focused track record in automation, practical AI, and building systems that simplify complex workflows. He founded Null Theory to deliver custom software and automation where off‑the‑shelf tools fall short, and concurrently serves as Fractional CTO for a leading Australian personal injury firm, driving process improvement and client-facing technical innovation. Previously he led product and technical services at Pulse Software, delivering SaaS business process management solutions while maintaining a hands‑on passion for coding and solid engineering practices. Known for blending strategic leadership with practical implementation, he prioritises measurable operational impact and engineering teams that produce durable, maintainable systems.
9 years of coding experience
17 years of employment as a software developer
Studied Bachelor of Information Technology, Computer Software Engineering, Studied Bachelor of Information Technology, Computer Software Engineering at University of South Australia
Sacred Heart College