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
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.
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.
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.
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.
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.