Dave Verwer , iosdevweekly.com
Dave is an independent and freelance iOS developer and author of iOS Dev Weekly. He has been developing for the Mac and iOS since 2006 and is secretly quite proud that his first professional gig had him using a (real) vt100 green screen terminal. He's glad he doesn't have to use that any more though!
SwiftUI by examples
Paul Hudson , hackingwithswift.com
Paul is the author of Hacking with Swift, Pro Swift, Swift Design Patterns, Server-Side Swift, Hacking with macOS, Hacking with watchOS, Hacking with tvOS, Swift Coding Challenges, and more. Suffice it to say, he quite likes Swift. And coffee. (But mostly Swift.) (And coffee.)
Jeff Watkins , metrocat.org
Jeff lives an idyllic life on Bainbridge Island with his daughter, girlfriend, and their five cats. He divides his time between writing iOS applications, teaching public speaking workshops, and speaking at conferences. And yes… they know five cats is outrageous, but they love each and every one of their crazy fur balls.
Ellen Shapiro , apollographql.com
Ellen Shapiro is a mobile engineer for Apollo GraphQL who has been building native apps for both iOS and Android since 2010. She's written tutorials for RayWenderlich.com about iOS and Android since 2013, and is now one of the authors of their Kotlin Apprentice book. When not coding or talking incessantly about coding, Ellen spends her time traveling, biking, playing sous-chef to her fiancée Lilia, and relentlessly instagramming their cat.
Server-side Swift with Vapor
Tim Condon , raywenderlich.com
Tim is a Swift developer from Manchester, UK. He's the server-side Swift team lead at raywenderlich.com and has written the unofficial-official book on Vapor with the founders of the framework. He founded Broken Hands a few years ago delivers talks and workshops on Vapor and server-side Swift around the world. He also co-organises the ServerSide.swift conference - the world’s first and only conference focused on server-side Swift.
Tamar Nachmany , glossier.com
Tamar Nachmany is a senior engineer at Glossier, where she has worked in iOS and across the tech stack, and previously worked on the iOS teams at Tumblr and The New York Times. When she's not writing software she writes fiction. She is very excited to be in Singapore for the first time.
Multithreading in Swift with GCD and Operations
Scott Grosch , raywenderlich.com
Scott has been an iOS developer since the first public release of the SDK from Apple. His day job is working as a Solutions Architect for a Fortune 500 company in the Pacific Northwest but he does contract work for a couple clients via his one-man shop, Gargoyle Software, LLC.
Sven Schleier , owasp.org
Sven is one of the core project leaders and authors of the OWASP Mobile Security Testing Guide and OWASP Mobile Application Security Verification Standard and has created the OWASP Mobile Hacking Playground. Sven is giving talks and workshops about Mobile and Web Application Security worldwide to different audiences, ranging from developers to students and penetration testers.
Vojta Stavik , industrial-binaries.co
Vojta is the lead iOS engineer and founder of Industrial Binaries. He spends most of his day giving second chances to legacy codebases no one wants to touch. He started the Prague branch of CocoaHeads, and writes articles about Swift and iOS development at VojtaStavik.com.
Matt Delves , delightfulapps.co
Matt is a macOS and iOS developer based in Melbourne Australia. He has a propensity towards creating apps that are magical and delightful to use. His experiences ranges from backend to front end and feels that such breadth grants the ability to understand the intricacies involved in creating apps.