Walker grew up in a military family where his father worked for NATO as an encryption and decryption specialist. From an early age, he was exposed to the computers, software, and equipment used to send and receive information. He learned much of the language and terminology behind these devices and would often find himself intrigued by the dynamic between reception and transmission.
This fascination of how information is shared led to an interest in philosophy and metaphysics, and how we go about communicating and understanding ideas. Having grown up in Europe, then Alaska, and now living in Hawaii, philosophy has been a constant force behind his work. Whether he is examining conceptual notions of communication or attempting to better understand these philosophical ideas through specific processes of painting, he continues to try and find connections between philosophy and art-making through a formal visual language.