About Us
Associate Directors
WOOMB International has Affiliates in many countries. These national bodies are responsible for the training and accreditation of teachers of the Billings Ovulation Method® in their own country.
In addition, some Affiliates have joined regional groups to offer support to neighbouring Affiliates and to share resources.
The Directors are supported by an Advisory Group of Associate Directors.
Dr Marija Curlin
Senior Teacher- Croatia. President, Croatian Natural Family Planning Centre
Dr Marija Curlin
Senior Teacher- Croatia. President, Croatian Natural Family Planning Centre
As the President of the Croatian Natural Family Planning Centre, Marija has been actively teaching and leading Billings Ovulation Method® Teacher Training Courses since 2009. She also promotes the Billings Ovulation Method® and the values of Natural Family Planning through the TeenSTAR Teacher Training Courses. Marija is a Professor at the School of Medicine, Catholic University of Zagreb, Croatia. As a collaborator on several international and national research projects, she has become an expert in gene expression analysis and transmission electron microscopy. Her special research interest is molecular regulation of endocervical gland activity
Dr Lek-Lim Chan
Senior Teacher – Malaysia. President Natural Fertility Awareness Service of Malaysia
Dr Lek-Lim Chan
Senior Teacher- Malaysia. President Natural Fertility Awareness Service of Malaysia
Lek-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 is specialised in the Billings Ovulation Method® and is its Education & Scientific Coordinator in Malaysia. He has special interest in using the woman’s chart as a diagnostic tool and works closely with some international medical research personnel on reproductive 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.
Raymond Ganar
Senior Teacher – Philippines. Training Director WOOMB Philippines
Raymond Ganar
Senior Teacher – Philippines. Training Director WOOMB Philippines
Raymond Ganar has been teaching the Billings Ovulation Method® since 1992 together with his parents Isagani and Linda Ganar. In the early ’90s, he started to introduce the Billings Ovulation Method® to the poorest communities in the Philippines. Then, in 2009, as Training Director of WOOMB Philippines Inc., he became actively involved in giving Teacher Training Courses on Billings Ovulation Method® to the different dioceses in the Philippines under the Episcopal Commission on Family and Life. He is a nurse and he took Masters in Chemistry Education. Since 1996 up to the present time, he dedicated himself to a full-time faculty member of the PAREF Southridge School for Boys. He teaches Chemistry and Physics and took the following roles through the years as Science Department Head, Personal Formation Officer, and Curriculum Development Officer of the said school.
Maria Garcia
Senior Teacher USA – WOOMB Latinoamérica Coordinator
Maria Garcia
Senior Teacher USA – WOOMB Latinoamérica Coordinator
Maria 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.
Dr Karen MacDonald
Senior Teacher – Canada WOOMB Canada Board Member
Dr Karen MacDonald
Senior Teacher – Canada WOOMB Canada Board Member
Dr 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.
Pauline McCarthy
Senior Teacher – England. Education Chair – Billings Method England
Pauline McCarthy
Senior Teacher – England. Education Chair – Billings Method England
Pauline’s first training course on the Billings Ovulation Method® was with Drs John and Evelyn Billings in London in the mid 1990’s followed by a Correspondence Course and finally a 1:1 interview with Dr Lyn a year later. Termed ‘one of us’ by Dr Lyn, Pauline has never stopped being committed to the Method. Pauline established the affiliate Billings Method England (BME) 6 years ago and as Director of Education has successfully organised and carried out an approved continuous training programme for the up-skilling and accreditation of all BME teachers in person and online. She has made the move to online teaching of clients effortlessly. She is interested in protecting the authenticity of the Method while making it available to all, and expanding the reach. She has been married for 40 years with 6 adult children.
Martha Winn
Senior Teacher – USA. Education Committee Chair – BOMA-USA
Martha Winn
Senior Teacher – USA. Education Committee Chair – BOMA-USA
Martha Winn is a Senior Teacher of the Billings Ovulation Method®. She was trained by WOOMB International through the Teacher Training Correspondence Course and certified by BOMA-USA in 2004. Providing individual(s) with information about the Method is her joy and passion. She is on the BOMA faculty for the Basic Teacher Training, Extension Course, Advanced Teacher Training Online Course, and Medical Seminar. As a registered nurse, she is especially interested in communicating with medical professionals the key role providers can play in empowering women with knowledge of the Billings Ovulation Method®. She serves on the Education Committee for BOMA-USA, ensuring the authentic method is taught to every person who contacts a certified teacher. Martha lives in Bowling, Green KY with her husband, Earl. They have 4 grown children and 9 grandchildren.
Alisa Ivanova
Senior Teacher - Belarus. Head of NFP
Alisa Ivanova
Senior Teacher - Belarus.
Head of NFP
In 2018, Alisa became the first accredited Russian-speaking teacher certified by WOOMB International. She serves as a coordinator and supervisor for the teacher training correspondence course, actively contributing to the Method's expansion across the former Soviet Union region. With a background in philology and translation, Alisa has been translating official WOOMB educational literature into Russian. As a health coach and nutrition consultant, she focuses on observing how lifestyle and dietary patterns reflect on fertility charts, using this expertise to support women more holistically. Her practice includes remote consultations, chart analysis, and educational meetings for women and professional communities. Alisa is dedicated to preserving the scientific authenticity of the Billings Ovulation Method®, empowering women and fostering harmony in couples.
Dr Paola Pellicanò
Senior Teacher, Coordinator of the Billings Ovulation Method® in Italy
Dr Paola Pellicanò
Senior Teacher, Coordinator of the Billings Ovulation Method® in Italy
Dr Paola Pellicanò - SENIOR TEACHER, COORDINATOR OF THE BILLINGS OVULATION METHOD®IN ITALY Medical Doctor with a specialist in gastroenterology. She has a PhD in Bioethics and has taught the Billings Ovulation Method® since 1988, as member of the Anna Cappella team at the Center for the Natural Regulation of Fertility at the Catholic University of the Sacred Heart in Rome. There, she dedicated herself to promoting the value of the Method within clinical settings —including the area of infertility-, academic courses, congresses, seminars, and educational initiatives aimed at healthcare professionals, couples, families, young people, priests, consecrated persons, while also overseeing the training of numerous BOM teachers in Italy. She accompanied John and Evelyn Billings on various trips and meetings, both in Italy and abroad, and participated in WOOMB International Conferences held in Sydney 1988, Melbourne 1995 and2003, Zagreb 2016, Rome 2023. She is a professor both at the Catholic University of the Sacred Heart and at the Mater Ecclesiae Institute of the Pontifical University Saint Thomas Angelicum, in Rome
Toni Cameron
Senior Teacher - Scotland Education Coordinator
Toni Cameron
Senior Teacher – Scotland
Education Coordinator
Toni trained in Scotland in the early 1980s following a visit by Drs. John and Evelyn Billings to Scotland. Her sister, Dr. Angela McCallum encouraged her to become a Billings teacher and she has taught the method for nearly 40 years. She has fond memories of looking after Professor Eric Odeblad on an occasion when he came to Edinburgh for a conference. Over the years she has helped promote the Billings Ovulation Method across Scotland, with new clinics, school programmes, and has given marriage preparation talks to the Polish community in Central Scotland for some years. More recently she has been helping catalogue videos for the WOOMB archive. As Training Co-ordinator, Toni and the Training team has led Fertility Care Scotland through a review of training and practice to revitalise its future development. "Taking the Next Steps" course was adapted into a one-day face-to-face course and the "Menarcheto Menopause: Health Advantages of Monitoring Fertility " course is being adapted into an online course in collaboration with Billings Method England. Toni is a retired teacher in English and Support for Learning and has published research from a postgraduate Masters in Education. Toni has a strong interest in organisational development; teacher training and development; research, and research methods.
Christian Calvo Masis
Senior Teacher - Costa Rica. Joint National Coordinator. Education Team Lead
Christian Calvo Masis
Senior Teacher - Costa Rica.
Joint National Coordinator
Education Team Lead
Christian has been teaching the Billings Ovulation Method® since 2009, together with his wife, and became an accredited teacher in 2012. Since then, he has served as National Coordinator and led the process of Costa Rica’s affiliation with WOOMB International. He is also a Teacher Trainer, conducting Basic and Extension Courses in Costa Rica, Nicaragua, Panama and the Dominican Republic. He has supported these countries in their affiliation processes and in the establishment of their national organisations, contributing to the authentic teaching and international development of the Billings Ovulation Method®.Together with his wife, he was the principal organiser of the 2018 WOOMB International Conference in Costa Rica. He is a Computer Engineer with a Master’s degree in Computer Science, with research focused on artificial intelligence. His professional career has focused on data engineering, data science and business intelligence. He is a lecturer at the University of Costa Rica, where he teaches data science and machine learning in graduate and postgraduate programmes.
Heloisa Pereira
Senior Teacher - Brazil. President of CENPLAFAM WOOMB Brazil
Heloisa Pereira
Senior Teacher - Brazil.
President of CENPLAFAM WOOMB Brazil
