Board of Directors
Marcus Judge

Marcus has been a surfer for over 30 years and a Christian for longer than that, having grown up in a Christian family and been convicted of his need for Christ while a teenager. He is stoked to help CS take the message of a real God and a real life to the surf communities of the world. Married to Anne with 3 adult children, Marcus also heads up the retail payments division and the channel support team at the Commonwealth Bank of Australia. He has a background in corporate life, training in marketing, commerce, finance and law, and experience in church leadership and administration, Sunday School teaching and youth work, including a role as a leader in the pioneering days of a local CS mission in Kiama, NSW. His commitment to being on the board is to help CSI in its mission to support and encourage CS leaders in the nations of the world. Email Marcus

Brett Davis

International Director
Brett pioneered the Christian Surfers movement in Australia as their first National Director in 1983, then pioneered the international movement since 1999. As an unchurched surfer he was reached by a fellow surfer and wants other surfers to have the same opportunity. He brings a lifetime of experience and contacts and is forever networking with CS and other agencies worldwide. He is still surfing, diving and adventuring, and has a secret outlet in woodturning and gardening. He believes his far greater achievement is his wife Gillian persisting with him for over 20 years. He has three children – Jackson, Taylor and India, along with Calvin the wonder dog. Email Brett

Gillian Davis

As Brett Davis’ wife, Gill has walked a long journey with CS and knows the movement and its people. Mother to 3 children, homemaker, hospitality queen and never-ending host of CS people and beyond. Gill is also a public speaker in her own right, teaching in churches and evangelistic meetings about being more authentic in life and faith. She is involved in extensive outreach to local public schools via the religious education program. Gill is a summer surfer when Brett tows her out, but fully immersed in the beach culture. Email Gill

Jonathan Mak

Jonathan says, "I don’t surf and can't swim very well." He has been involved with the CSI board for 9 years and visited the CS missions extensively over his travels. He has a background in international sales and marketing and has been mission active for most of his adult Christian life (20+ years). Currently in Venture Capital, big V little C and directs 9 companies along with being actively involved in an inner city church plant. He is married to Liz and they have no children but an ample collection of fine wines and cars. Email Jonathan

Eric Arakawa

Eric has been an internationally recognised surfboard shaper for many years and is currently employed by HIC. He has much experience within the surfing industry as both a shaper, dealing with professional surfers (including recent world champion Andy Irons) and marketing. He is an elder at his Calvary Chapel church, North Shore Christian Fellowship. Eric helped host the first two CSI International Conferences back in 1993 and 1995 and has kept in touch with the development of CSI. He is married to Sue with 3 children. Email Eric

Brad Whittaker

Brad is married to Fiona and has 3 children (Jake, Paris, Chelsea). He has an employment background in education but currently works as the Operations Manager for Cronulla Beach, Sydney. Since his inclusion in the Surfers Bible, Brad has taken on a more active role for CSI which has included the role of chairman of the CSI board. He has also paved the way for surf chaplaincy as the first CS International Chaplaincy Coordinator. Brad is an accomplished longboarder, achieving top rankings in State and Australian Championships  in Australia. Brad brings to the board an insight into grass roots surfing, skills in leadership and management coupled with practical experience in surf mission and a passion to serve others. Email Brad

Mark Chu

Mark was born in Norway and grew up in the Midwest of the United States. He went to UC Santa Barbara in the 90's but was late to the surfing game until a few years after University. Mark has recently moved to Sydney, Australia after 10+ years of working in the digital advertising industry in Los Angeles, California - where he worked for, Surfer Magazine, Surfing Magazine, and several others. He also co-led the Los Angeles chapter of CSUS for a few years while grounded to several great churches. Mark worked closely with CSUS to strengthen partnerships with Walking On Water, Hurley, Zico, Dragon, SURFER, Life Rolls On, Surfrider Foundation, etc. as well as help lead the national Paddle for Daisy event. He still retains his ties to the surf industry through his site,, and has a big heart for chaplaincy. Mark now works in a secular role as Senior Sales Manager for Adconion Media Group in Sydney. Email Mark

Mark Edwards

Mark lives in Cape Town, South Africa. He's married to Raine and has two young daughters, Reese and Paige. An all round waterman, whose first passion is surfing, his favourite board is his 9'2" rhino chaser. After getting saved and discipled from within the first Son Surf club in South Africa (later became Christian Surfers SA) he's known his calling is to see surfers saved and discipled. From a 12 year old grom to a club leader to the chairman of the CS South Africa board and now on the CSI board. Mark considers himself a jack-of-all-trades and really thrives on the challenge of being out of his depth, he's currently plying his trade as an expert witness in the field of Forensic Accounting whilst doing some property development on the side. Email Mark