Robert is an International Evangelist with Open Air Campaigners and was one of the founders of Polynesian Ministries based in New Zealand, which is now a department of the Auckland branch.
Robert is a Niuean by birth and is married to Laisa. (Fijian) They have three children; Deane, Ritchie and Joanna. (Their eldest daughter Jaimie, was promoted to be with her LORD as a result of leukemia in 1988 at the age of seven)
Both Robert and Laisa are graduates of Fiji College of Theology and Evangelism which is in Lautoka Fiji and run by Ambassadors For Christ. Robert completed three years and Laisa two both receiving diplomas in Biblical Studies, Christian Ministries and Practical Evangelism. In 2003 Robert completed two degrees (B.Th, B.A in Biblical Studies) through the same college and from Evangel Christian University in the US. In March 4th 2006 Robert received an honorary Doctorate of Divinity at Evangelical Bible Seminary in Myanmar. Robert also received an honorary Doctorate of Divinity from Fiji College of Theology and Evangelism in November 2006. Robert completed his PhD in Missiology at Olivet University in San Francisco, USA. He graduated on the 28th of June 2014.
After graduating from FCTE, Robert and Laisa worked with the Niue Ekalesia in Niue Island as Youth Leaders prior to joining OAC Ministries in New Zealand in 1979-1980.
The Siakimotu family now resides in Mangere, Auckland. Robert continues to serve the LORD as an OAC international Evangelist in New Zealand and overseas and he is working alongside Pacific Island Church leaders to expand the ministry of OAC in the South Pacific. Laisa works as a Teacher's Assistant with a local school close to their home and supports Robert in many ways in the ministry. Their three adult children Deane (now married to Charene), Ritchie and Joanna are all working and are involved in the ministry of their home church.
The Siakimotu family are members of Onehunga Bible Chapel where Robert is an elder and preaches regularly in the church and Laisa is leading a ladies group that meets once a month. Laisa also has an effective ministry in the women’s prison in Auckland.
Robert is a talented and gifted Evangelist and Communicator to those who are Polynesians and those that are not. The work Robert is involved in includes; Teaching Walk Thru Bible Seminars, Training Christians on Evangelism, Preaching in the open air, Running children’s Evangelistic outreaches, doing personal evangelism in the shopping malls and on the streets, preaching in the churches in and outside the Auckland area, Speaking at camps and conferences. Robert also ministers overseas especially in the Pacific region in countries like Fiji, Tonga, Samoa, Niue, Cook Islands and Vanuatu. Robert is also working very closely with the Evangelistic arm of the Lausanne Movement and doing evangelistic missions and teaching in the School Of Evangelism in Africa, Caribbean, South East Asia and the Pacific.