Ayya Anandabodhi who teaches with Susie on some retreats is part of Saranaloka and the Aloka Vihara Forest Monastery
Retreat Follow-up Information
You can find dharma talks from teachers from all over at Audio Dharma and Dharma Seed.
Next Step Dharma is a great resource following retreats. They offer courses intended as ongoing support after a retreat.
Buddhist Insight Network (BIN) has a National Sangha Listing and a searchable Retreat Calendar.