Chiu-Ki Chan is an Android developer with a passion in speaking and teaching. She has given more than 30 talks in 9 countries, and mentors aspiring speakers whenever she has a chance. She blogs at Square Island and tweets at @chiuki.

Cate has spent her career working on mobile and documenting everything she learns using WordPress. Now she combines the two as Automattic’s mobile lead. She co-curates Technically Speaking, and admins the New-(ish) Manager Slack. You can find her on Twitter at @catehstn and at cate.blog.