Summary
John Aynsley is a veteran technical leader and engineer with 18 years of experience in EDA, hardware description languages and verification, and a long history shaping training and tooling for the semiconductor industry. As co-founder and long-serving CTO/Technical Fellow at Doulos, he built large parts of its training portfolio, led technical teams, and authored core SystemC reference material, earning the Accellera Technical Excellence Award. His deep expertise spans VHDL, Verilog, SystemVerilog, UVM, SystemC/TLM-2.0, formal and functional verification, plus modern C++, Python and ML techniques that bridge hardware and software verification. He combines hands-on development and technical marketing with instructional design and public speaking, translating complex standards into practical learning and products. Based in Test Valley, England, he pairs an analytical BSc in Mathematics with a pragmatic, entrepreneurial approach to product and team leadership. Outside engineering he trains in counselling, mindfulness and hypnotherapy, reflecting a rare blend of technical mastery and human-centred skills.
18 years of coding experience
42 years of employment as a software developer
BSc, Mathematics, BSc, Mathematics at Durham University