Weldon Dodd

Weldon Dodd began his career running a campus Mac lab and NeXT lab at the University of California. He then went to wireless telecom just as digital networks and the Internet came to mobile. The next stage was automating large Apple deployments and running the Apple Authorized Training Center in Colorado. Weldon joined Iru, f.k.a Kandji, in early 2020 where he has built and led several teams, and now serves as SVP of Community.

Maggie Zirnhelt

Maggie Zirnhelt is a threat researcher with a background in mobile device management at Jamf and 10 years of software engineering experience. Every step of her professional life has revolved around macOS security, with relevant tasks including researching and developing a symbolic execution engine, programming for an enterprise security extension, and pushing the limits of her reverse engineering skills.

The perspective of the macOS administrator has been a central one for her for the past 5 years. She currently lives in the US in Boulder, Colorado, and enjoys exploring the Rocky Mountains.

Ulrik Aabye-Hansen

Ulriks road to the Mac came through music, took a very brief detour in webdesign, then as a Mac consultant for a number of years, and since 2011 as a Apple Certified Trainer. As such, he has been delivering Sales, Technical, Master and Mentor training for Apple going on fifteen year, and in 2021 also added Jamf Training to the repetoire.

He is co-owner of the company Talktech ApS and when not consulting or delivering training, he is an avid foodie and enjoys cooking and is a proud guitar-owner.

Arek Dreyer

Arek Dreyer is a Principal Solutions Engineer at Kandji, where he helps organizations securely deploy and manage Apple devices at scale. With over 25 years of experience in Apple device management, Arek has been a trusted advisor, trainer, and author to IT professionals worldwide.

Before joining Iru, f.k.a Kandji, Dreyer co-authored Managing Apple Devices and several books in the Apple Pro Training Series, including Mac OS X Directory Services, macOS Support Essentials, and macOS Server Essentials. His first appearance at the MacSysAdmin conference was when it was still held at Nya Varvet!

Brock Walters

Brock Walters is... His past roles include working for Jamf on their education services team as a trainer and course content creator, as a demo engineer at Apple and as a client platform engineer for companies in finance and entertainment. This is a much more serious description than last year's, which only admitted to liking romantic candle-lit dinners & long walks on the beach at sunset.

Duncan McCracken

With almost 30 years experience working with Apple and associated products, Duncan has consulted with some of the leading integration companies in Australia and around the world. He is known for his willingness to adapt to new playing fields through embracing different technologies, and his knack for creating modular, re-usable solutions.

Duncan has spoken at various Apple-centric conferences around the world, and is looking forward to returning to MacSysAdmin this year.

Marc Nahum

After studies in Paris, and few years to work there I moved to Switzerland for a large enterprise to manage Active Directory and Citrix Severs. In 2009 with the increase of importance of mobile devices, the need to manage them bring me to this new business for the same company.

After selection, implementation, upgrade, modernisation of MDM and remote access solution my road crossed Intune. During all these years I worked daily, promoted, and made the management of macOS possible. When I joined Microsoft as a PM in the Intune Engineering org it’s naturally that is become my platform of choice

Wojciech Regula

Wojciech is a Principal Security Specialist working at SecuRing. He specializes in application security on Apple devices and created the iOS Security Suite – an open-source anti-tampering framework. Wojciech has earned recognition as a Bugcrowd MVP and has discovered vulnerabilities in Apple (60+ CVEs), Facebook, Malwarebytes, Slack, Atlassian, and others.

In his free time, he runs an infosec blog at https://wojciechregula.blog. Wojciech has shared his research at prominent conferences, including Black Hat (US, EU, Asia), DEF CON (USA), Objective by the Sea (USA), AppSec Global (Israel), TyphoonCon (South Korea), NULLCON (India), and CONFidence (Poland).

Catherine Davis

Catherine Davis is the Vice President of Product Management at Addigy, working remotely from her home in Wisconsin. With over a decade of experience in the Apple management space, Catherine has held a variety of roles from Admin to an MDM-focused Product Manager, since 2012, giving her a deep perspective on how organizations deploy, secure, and manage Apple devices at scale. Today, she leads product strategy and execution at Addigy, helping customers navigate the evolving landscape of device management, endpoint security, and end-user experience.

David Starr

David Starr has spent almost 25 years focused entirely on architecting Apple solutions for business, enterprise, and education organizations. David was a Consulting Engineer manager at Apple in the US, and he later co-founded Black Glove, a managed services provider dedicated to delivering scalable Apple-centric IT services. Today, David leads Partners @ Workbrew helping bring Workbrew’s secure software delivery platform to organizations around the world.

David is based in The Hague, Netherlands. When not working, he enjoys traveling the world with his family and playing guitar, bass, and piano.

Grace Goodrich

Grace Goodrich is the Communications Manager at Magic Hat Inc., where she oversees partner relations with international software makers, as well as domestic events and customer outreach activities. In her role, she works closely with global technology partners to strengthen collaborations, while also shaping how Magic Hat connects with customers in Japan through events, marketing, and community engagement. She’s passionate about building relationships that help technology companies succeed in new markets and creating experiences that bring communities together.

Outside of work, Grace tries to travel and be in the outdoors as much as possible but is more than happy to garden and read a good book in her downtime. This will be her first time speaking at a conference, and she’s excited to share her experiences and connect with the MacAdmin community.

Nam Sangsasitorn

Nam (Natnicha) started her career in IT support and has been supporting corporate customers with Mobile Device Management solutions for four years. Since 2021, she has been working at Magic Hat Inc. in Tokyo, Japan, focusing on managing Apple devices. She is also actively involved in developing IT security solutions for Apple platforms.

Currently, her primary focus is supporting customers—especially with security-related issues—and improving the company’s support systems and security integrations. Outside of work, she enjoys watching TV series and playing tennis.

Greg Neagle

Greg has been deploying and managing macOS machines for over two decades at Walt Disney Animation Studios, a studio with a long history of family entertainment reaching back to "Snow White and the Seven Dwarfs" and forward to our latest film, “Zootopia 2".

Several Mac management tools developed by Greg have been released as open source by Disney Animation. Among those are Munki, a software deployment system, and Reposado, a platform-agnostic replacement for Apple's Software Update service. He is also a maintainer of the popular AutoPkg tool. Greg has presented on various aspects of macOS management at conferences in Europe and North America. He is pleased to return to Gothenburg for another exciting conference!

W Andrew Robinson

In the thirty-six years Andrew has been in Japan, he’s worked for large corporations, trading banks, academic organisations, non-profits, and startup ‘unicorns’ — always in multicultural and multilingual environments.

As an Apple and Google platforms specialist, and as Senior IT Support Manager for a fintech company in both Tokyo and Bangkok, he loves providing the tools people need to be their best at their job. He’s also a trained business coach and facilitator-trainer, specializing in both technology and cross-cultural business topics.

Andrew’s been a MacSysAdmin attendee for years and is thrilled to be back presenting this year.

Csaba Fitzl

Csaba is a Principal macOS Security Researcher working at Iru, focusing on vulnerability research and EDR detection development. He currently has over 100 CVEs issued by Apple for vulnerabilities ranging from simple info leaks to full macOS exploit chains bypassing all security controls.

He frequently presents his findings on conferences, like BlackHat, Objective By The Sea, POC, and many others. Csaba is also the co-author of the "macOS Vulnerability Researcher" training, which he teaches a couple of times a year.

Bryce Carlson

After Bryce's family owned iMac G4 in 2002 changed the course of his life to focus on Apple Device Management he then worked for US K-12 and Higher Education organizations on macOS and iOS deployments, and evolved that into directly working in the MDM vendor sector. First, at Jamf in 2016 till 2021, and now Addigy since 2022.

Bryce started with Workgroup Manager and Mac OS X Server 10.4 back in the day and is now working on implementing and Declarative Device Management at a Device Management Vendor, and is excited about the possibilities for Apple Device Management going forward.

Tim Standing

Tim standing has been writing software and drivers for macOS for many decades. After 25 years of working on SoftRAID for Mac, and 10 years with Other World Computing, he is starting work on a new product which will ship early in 2026.

When he’s not writing code, or helping others write code, he is perfecting sourdough pizzas or figuring out how many truffles can be made from a 5 kg bar of Belgian chocolate.

Patrik Jerneheim

With a background in music and after several years in the publishing business, going all-in on macOS was a no-brainer. Patrik has spent about three decades as a trainer and consultant focusing on Apple and device management.

Together with Kiki, he has, for the better part of the last decade, helped spread the Apple gospel in the northern part of the world and made sure that Mac Admins have had a place to meet with peers and get the latest from the greatest minds in the business.