David and Rachel work with the Church Missionary Society of Australia (CMS-A).

David leads CMS-A’s development and training ministry and Rachel is involved in mentoring and equipping new mission partners. Crosslinks and CMS-A have had a long informal partnership, working in close fellowship in many situations around the world. David and Rachel are responsible for training around 25 new mission partners each year, mainly from Australia and New Zealand. They also help the society's 200 mission partners in 40 countries keep growing and learning in their service of the Lord Jesus.

They have three children: Tom (married to Mia), Sam (married to Melanie) and Jonathan (married to Lizzie).