Nigeria's neighbours, Benin, Cameroon, Niger and Chad, were expected to attend, along with US, UK and EU representatives.
The group has since been pushed back with the help of offensives launched by troops from Chad and Niger while Cameroon has fought off militants along its borders.
The charity's successes included funding a tuition and tailoring centre in India, a medical clinic in Ghana and a school in Cameroon, as well as helping to fund the education of hundreds of individuals who have become architects, doctors, teachers and medical specialists.
Asked if she believes the rumours that the girls may have crossed the border into Cameroon and been forced to marry their abductors, she shakes her head vehemently.
The family moved house every two years, mainly through the French colonies that would become Cameroon, Burkina Faso and Djibouti.
It says it has so far received only 15% of the $26.5m needed for its humanitarian operations in Nigeria this year; 17% of its $40.2m appeal for Cameroon; 2% of its $42.5m appeal for Niger and 1% of its $63.1m appeal for Chad.
Cameroon, Kenya, Malawi, Nigeria and Uganda are conducting field trials of biotech crops, the final step before full approval of commercialisation.
In a summit in Paris last week, the west African nations of Cameroon, Chad and Niger agreed to each contribute a battalion to form a border patrol troop based around the arid Sahelian belt, large swaths of which have fallen under the control of Islamist terrorists in recent years.
Boko Haram has been attacking towns and villages in northern Nigeria and border regions of neighbouring Cameroon, Chad and Niger.
Over the past few months, a small but steady trickle of Boko Haram members have been deserting and turning themselves in to authorities in Cameroon, which is linked to Nigeria by a porous northern border.
Nigeria, Cameroon, Chad and Niger this month launched an unprecedented joint effort to crush the Islamists, raising hopes that the insurgents - who have outgunned Nigeria's national army - might finally have met their match.
