Moderators

iSAQB Software Architecture Gathering 2025​

Tom Asel
Tom Asel
tangible concepts / iSAQB Member

Tom Asel is the founder of tangible concepts. He has been working as a developer, architect and trainer in software development for 20 years. Agile architecture work is a focus of his work. He supports teams and organisations in aligning development processes, skills, technologies and architectures.

Hiral Dave
Hiral (Vyas) Dave
Founder & CEO HVDSOFT Private Limited, India / iSAQB Member

Ms. Hiral Dave, also known as Hiral (Vyas) Dave on social media is from Ahmedabad, Gujarat, India. Having 20+ years of experience working in the software industry, she has played a pivotal role in leading and contributing to various phases of diverse technology projects and products, both in India and internationally. Currently, she provides training and consultancy services to software professionals and organizations both domestically and internationally.

Lars Röwekamp
Lars Röwekamp
CIO New Technologies at Open Knowledge GmbH

Lars Röwekamp is founder of IT consulting and development company Open Knowledge GmbH. In his role as “CIO New Technologies” he takes care of in-depth analysis and evaluation of new software and technology trends. A particular focus of his work is enterprise and cloud computing as well as artificial intelligence.

Holger Tiemeyer
Holger Tiemeyer
Software Architect and Trainer at Sulzer / iSAQB Member

Responsibility, pragmatism, domain knowledge and professionalism. These are the core values and attributes that characterize successful software architects. Based on many years of project experience, Holger Tiemeyer imparts these skills and knowledge in his training courses, speaks about them at conferences and publishes articles in specialist magazines. As a computer scientist with a minor in psychology, he volunteers at iSAQB e.V.

Rainald-Menge-Sonnentag
Rainald Menge-Sonnentag
iX Magazin

Rainald Menge-Sonnentag is a Managing Editor at iX and is responsible in particular for the online channel heise Developer. There he deals with all topics related to software development. He started working for Heise in 1999 at c’t magazine.

Lisa Maria Schäfer
Lisa Maria Schäfer
Socreatory

Lisa is a product and marketing manager at socreatory, where she is in charge of conception and marketing of all trainings. Additionally, she is also a trainer. Before, she primarily focused on software architecture and development in the web environment, while working both with backend and frontend. In June 2020, she joined the “Softwarearchitektur im Stream” team.