Ischus Fellowship supports the ministry of Gregory & Lidija Thellman to strengthen disciples and Christian community across cultures through teaching, writing, art and hospitality. Discipleship and community building are pursued via personal relationships, mentoring, member care, formal and non-formal biblical, theological and integrative teaching, educational seminars; scholarly and creative writing, art and craft workshops, retreats and other special events. Ministry engagement takes place in Croatia, other countries in Central/Eastern Europe, and in the USA.