Meet Our Speakers
The speakers at iOS Conf SG are highly esteemed and beloved members of the community due to their unwavering passion for education and sharing knowledge. They are also expert contributors in their respective fields, bringing a wealth of experience and deep technical expertise to the conference. Their commitment to advancing the field of iOS development is evident in their engaging presentations and workshops, which are designed to inspire and empower attendees.

Daniel Steinberg
Author and Trainer
Author of A SwiftUI Kickstart and founder of Dim Sum Thinking has guided developers in iOS and Mac programming since the earliest days of the platform. Known for his clear, practical approach to Swift, SwiftUI, and Functional Programming, Daniel’s sessions are a must for developers looking to deepen their skills.
When not coding or teaching, he indulges in his passion for cooking and baking, particularly bread making.

Paul Hudson
Author & Educator at Hacking with Swift
Paul Hudson has taught thousands of developers Swift through Hacking with Swift, a go-to platform for coders worldwide. 📚
From tech journalism to building apps, Paul has written over 20 books and developed tools for companies like Apple and Fender. When he’s not coding, you’ll find him solving Rubik’s cubes or spending time with his dogs. 🐕


Daiki Matsudate
Software Engineer
Daiki Matsudate is an iOS engineer based in Tokyo, focusing on autonomous driving research & development and digital identity projects. He leads engineering initiatives that bridge public services and modern mobile technologies, including work related to mobile identity. Daiki is also an active member of the global iOS community, organizing try! Swift Tokyo, speaking internationally, and supporting developer communities across Asia.

Hidde van der Ploeg
Senior UI Engineer at RevenueCat
Hidde is a designer who taught himself how to code and make apps. As an indie developer he is the creator of popular apps like Helm for App Store Connect, NowPlaying and Gola. He’s also a regular at the Apple Developers' Conferences around the world and recently joined RevenueCat as Senior UI Engineer.


Kaylee Calderolla
Indie Developer
Kaylee has been making indie apps for iOS and Mac since 2010, most notably the ad blocker Wipr. Occasionally, she makes games too! When not coding or designing, she plays video games and bass.
Find her on Mastodon as Kaylee's Apps

Rizwan Ahmed
iOS Engineer & Developer Advocate at Zoho Apptics
Rizwan is an iOS engineer and Developer Advocate at Zoho Apptics. Outside of coding and speaking engagements, he shares iOS development insights on ohmyswift.com and organizes community events through IndeHub and Swift Chennai.

Roxana Monica Nagy
Co-Founder and Creative Technologist at Reality Check
Roxana Nagy is the Co-Founder and Creative Technologist at Reality Check, an immersive content innovation studio focusing on Apple's spatial computing technologies. She co-created The Green Spurt, a collaborative immersive escape room-style game that serves as a testing ground for shared immersive experiences, combining storytelling, co-presence, and technical innovation to showcase what is possible on Apple Vision Pro.
A pioneer in augmented reality since 2017, Roxana developed some of the industry’s first commercial implementations of Apple’s ARKit and led the Immersive Technologies practice at a global digital consultancy, working with inspiring clients such as Museum of The Future Dubai and NEOM. With a mission to inspire others to explore the pioneering frontier of spatial computing and generative AI, Roxana shares her insights on her blog roxana-nagy.com and on social media as @coderox. She co-hosts weekly Office Hours for the Step Into Vision community, the largest global hub of visionOS resources, and was instrumental in building communities such as Women in Tech Dubai.

Xu Yang (Fatbobman)
iOS Developer & Tech Blogger
Xu Yang shares his development expertise in Swift, SwiftUI, and Apple platform technologies through his blog Fatbobman.com. As the creator of Fatbobman's Swift Weekly, he curates outstanding articles from developers worldwide, bringing valuable insights to the Swift community.
He views Swift development as a passion in life and aims to spread the joy he finds in learning and creating to more developers.✨