John Yaldwyn

Chief Technology Officer

John is 4RF’s founding Director. He led the development of the initial Aprisa platforms and continues to contribute to new product designs. He is also responsible for the regulatory function within 4RF.

Prior to forming 4RF in 1998, John held senior engineering and management roles with MAS Technology for 13 years and travelled extensively, liaising with customers worldwide. His engineering skills and in-market experience helped shape the pivotal architecture and system design of the DXR™ 100 and 200 product families and he was instrumental, as MAS Vice President Advanced Systems, in the Nasdaq IPO. Following the merger with DMC in 1997, he was appointed Marketing Vice President and developed the design of the DXR™ 700 platform.