DYNA Fall 2025 - Presentations. Workshops. Community-building

Presentations. Workshops. Community-building.

DYNA Fall 2025 takes place on Monday 29 and Tuesday 30 September in New York City. Hosted by Dyalog Ltd, the event brings together CTO Morten Kromberg, APL Tools Architect Brian Becker, and the wider APL community for two days of APL-focused presentations, workshops, and hands-on learning.

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Talks and Presentations

Expert Speakers

In-depth Workshops

DYNA Fall 2025 in New York City

Join us on 29 – 30 September for two days of APL learning, discussion, and connection. Day 1 (free to attend) features presentations from leading developers and users. Day 2 ($250) offers a choice of in-depth, hands-on workshops to build your skills.

This is your chance to connect with the North American APL community, no matter your level of experience.

Speakers at DYNA Fall 2025

Holden Hoover

University of Waterloo

Holden is a Computer Engineering student at the University of Waterloo in Canada. He has been using APL for six years, and was the APL Forge winner in 2024… Read more

Martina Crippa

Dyalog Ltd

While finishing her PhD in Computational Material Science, Martina discovered APL and pursued her interest by joining Dyalog Ltd. She has developed as strong… Read more

Josh David

Dyalog Ltd

Josh was exposed to Dyalog during an internship with The Carlisle Group. A graduate of The University of Scranton with a degree in Computer Science, he now… Read more

Presentations at DYNA Fall 2025

What Can Vectorised Trees Do for You?

Presenter: Asher Harvey-Smith, Dyalog Ltd

Mon 29 Sept, 4:00 PM (30 mins)

Representing hierarchical data structures (trees) with vectors is trendy in some parts of the APL world, but just how useful is it? Asher introduces the… Read more

Static Analysis of APL for Tooling and Compliance

Presenter: Aaron Hsu, Dyalog Ltd

Mon 29 Sept, 12:45 PM (30 mins)

Aaron introduces the work that’s being done at Dyalog Ltd to provide static analysis tools for users of APL that should improve tooling, assist in code… Read more

Lessons Learned when Converting from APL+Win to Dyalog APL

Presenter: Alex Holtzappleu, METSIM

Mon 29 Sept, 1:30 PM (45 mins)

METSIM® is the leading chemical and mineral processing plant simulation software used by engineers and operators around the globe. Since 1982, all development… Read more

Workshops at DYNA Fall 2025

Introduction to Namespaces

Date & Time: Tues 30 Sept 9:30 AM

Format: 3.5 hours (including breaks)

In Dyalog, namespaces are a convenient way to organise a workspace (analogous to the way in which directories are a convenient way to organise a file system).… Read more

Introduction to Link

Date & Time: Tues 30 Sept 1:30 PM

Format: 3.5 hours (including breaks)

Most actively-maintained APL systems are switching to using text files for source, rather than workspaces or component files. This allows integration with… Read more

Register for DYNA Fall 2025

DYNA Fall 2025 is an in-person only event. Registration is essential to ensure we can accommodate all attendees comfortably and plan appropriate refreshments. Please note that lunch and refreshments during breaks are included on both days, but evening meals and accommodation are not.

Day 1 (presentations) is free to attend, Day 2 (workshops) is $250 for the whole day.

If you have any questions please contact us: dyna@dyalog.com

Registration for DYNA Fall 2025 closes at 11:59 PM UTC on Sunday 21st September 2025.