Daniel frequently presents keynotes and technical sessions at conferences, company events, and local group meetups on Swift and iOS development, pedagogy, mathematics, podcasting, story telling, team building, and reaching your audience.

In addition, he has served as MC, Host, and facilitator at conferences including the yearly dotSwift conference in Paris, Pragma Conf in Italy, and AppBuilders in Switzerland.

The following are upcoming conference appearances and videos of past presentations. Check the calendar for Booking and Availability.

Speaking Calendar

Private Training

Modern Concurrency

April 18-19, 2023

Cleveland CocoaHeads


April 18, 2023

App Dev Con

Concurrency Workshop

May 9-10, 2023


In the area

June 5-8, 2023

Private Training

Modern Concurrency

June 19-20, 2023

Pragma Conference


October 4-6, 2023

Conference Videos

The Swift behind SwiftUI

Hacking with Swift Live 2019

Bath, England

Bringing SwiftUI to your App

ADDC 2019

Barcelona, Spain

Siri Shortcuts

do iOS 2018

Amsterdam, NL

Stabilizing your ABI

SwiftConf 2018

Cologne, Germany


NSSpain 2018

Logrono, Spain

Siri Shortcuts

do iOS 2018

Amsterdam, NL

Applicatives: The Forgotten Middle Child

App Dev Conf 2018

Amsterdam, NL

Becoming a Map Maker

Swift Summit 2017

San Francisco, CA

Why the Func

Alt Conf 2017

San Francisco, CA

It's About Time

App Dev Conf 2017

Amsterdam, NL

What the Functor is a Monad

Alt Conf 2016

San Francisco, CA

A Time Lapse Look at Swift

UIKonf 2016

Berlin, Germany

The Open World of Swift 3

AppBuilders 2016

Zurich, Switzerland

Ready for the Future

do{iOS} 2016

Amsterdam, Netherlands

Best of FP, POP, and OOP

try Swift 2016

Tokyo, Japan

Turtles All the Way Down

Cocoa Love 2015

Philadelphia, PA

Playgrounds are for Kids

Alt Conf 2015

San Francisco, CA

(Functional) Programming for Everyone

Swift Summit 2015

London, UK

The Ugly American Learns Swift

dot Swift 2015

Paris, France

Crazy and Focused

33rd Degree 2014

Krakow, Poland

Produced Videos

Functional Fundamentals and SwiftUI

CocoaHeads NL 2020

Amsterdam, Netherlands

SwiftUI and Combine Changes Everything

Philly ETE 2020

Philadelphia, PA

What's New in Swift 4

Realm Academy


What's New in Swift 3

Realm Academy