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Associate Directors

The Board of WOOMB International Ltd is made up of four Australian Directors, four International Associate Directors, and the WOOMB International Spiritual Advisor.

All four Associate Directors, appointed to the Board of WOOMB International Ltd in April 2013 are Accredited Billings Ovulation Method™ teachers and trainers of teachers.  Each brings to the Board their unique talents ranging from medicine, training and language skills.

Dr Mark Whitty

Dr Mark Whitty thumbnailMark works in family medicine in Dublin, Ireland and completed a Masters (MSc) in women’s health in 2004. He has also completed post graduate studies in medical education and ethics. For many years he has offered valuable advice as a medical consultant to the Directors. He is currently the President of the Billings organisation in Ireland, NAOMI Billings Ireland and teaches the Billings Ovulation Method® in Dublin. Mark has represented WOOMB International at conferences in Rome, Spain and Paris. Recently Mark has taken on the responsibility as President of the newly formed Billings Europe and is a Director, Board Member and Trustee of the BOM Trust, England.



Dr Lek-Lim Chan

drleklim 150Lek-Lim is a doctor of natural medicine, who has continuously served as either president or vice-president of the Natural Fertility Awareness Service of Malaysia (NFASM) since 1997.  He has a special interest in using the woman’s chart as a diagnostic tool and corresponds with Professor Pilar Vigil Portales in Chile about hormonal levels and endocrine abnormalities.   Using his unique talents he has been outreaching to other Asian countries offering the Billings Ovulation Method® and assisting these fledgling organisations to become ready for affiliation with WOOMB International Ltd.



Maria Garcia

mariagarcia 150Maria is a senior teacher of the Billings Ovulation Method® certified by BOMA-USA and is a member of their Education Committee as well as a member for the USCCB National NFP Advisory Board. She attended the University of Illinois at Chicago and earned her Masters of Arts Certificate in Pastoral Studies from Catholic Theological Union. She works with the Hispanic community in Chicago teaching the Billings Ovulation Method®. Maria was appointed as Spanish Language Liaison Person to WOOMB International in 2009 and works closely with WOOMB Latinoamerica in translating authentic materials into Spanish and outreaching to neighbouring countries in South America.



Gérard Renard

gerardrenard 150Gérard has for many years corresponded with the Directors on matters relating to French translation of authentic Billings Ovulation Method® materials and was appointed French Language Liaison Person in 2009. He helped establish WOOMB France in 2009. Before retirement Gérard worked as a petroleum engineer. Together with his wife, Marie, he devotes an enormous amount of his private time to teaching and training teachers of the Billings Ovulation Method® in France. Gérard is secretary of Billings Europe and the WOOMB International contact with the IEEF – European Institute of Family Life Education.



Marija Curlin

Marija Curlin thumbnailMarija actively teaches the Billings Ovulation Method® and has been presenting the Billings Ovulation Method® Teacher Training Courses in Croatia since 2009. She also promotes the Billings Ovulation Method® and the values of Natural Family Planning through the TeenSTAR Teachers Training Courses. She is President of the Croatian Natural Family Planning Centre. Marija works as an Assistant Professor at the Department of Histology and Embryology at the Medical School, University of Zagreb, Croatia.

Dr Karen MacDonald

KarenMacDonald thumbnailDr Karen MacDonald practices Emergency Medicine in Nova Scotia, Canada. While a student at the John Paul II Institute of Marriage and Family, she did her clinical training in the Billings Ovulation Method® in Melbourne in 2005 under the supervision of Merilyn Kennealy and Marian Corkill. She became a certified teacher trainer in Canada in 2006 and has taught a monthly clinic in Halifax, Nova Scotia since 2008. She has been a member of the board of WOOMB Canada and the National Education Committee since 2007 and the president of WOOMB Nova Scotia since 2008. She attended her first WOOMB International conference with Fr Joseph Hattie in 2003 in Melbourne, Australia. She has attended subsequent conferences in Melbourne in 2005 and 2007, in Kuching, Malaysia in 2013 and in Zagreb, Croatia in 2016.

Gustavo Machado

GustavoMachado thumbnailA Professional geologist Gustavo is working for the National Ministry of Energy and Mines in Argentina.
Happily married to Nieves and blessed with five children, he fell in love with the authentic Billings Ovulation Method® when he and Nieves went to Melbourne in 2000 and met the Drs Billings and their team. Since then, he has been a passionate worker, spreading the “truth of the Billings Ovulation Method®”, after reuniting a strong team of dedicated Billings Ovulation Method® teachers around the country, who were updated by Aussie teachers and became “Teachers of Excellence”, extending the good news to younger generations. He has strengthened the bond between WOOMB International and Billings Argentina, through active participation in most of WOOMB´s initiatives, focused on Spanish speaking countries and couples: translation of authentic materials for training, including the website, teaching the Billings Ovulation Method® through the internet, Billings Ovulation Method® correspondence course, E-Bulletin etc. He is an active member of WOOMB Latinoamerica.