Bob Mazzei
IT, AI, and Brokerage
35+ Years Experience Worldwide
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about
I’m an IT analyst, business engineer, and project manager with over 35 years of professional experience in digital systems design and implementation.I began my career in 1987, working at the intersection of technology and problem-solving. In 2012, after more than two decades of building high-impact systems across education, logistics, agribusiness, healthcare, and research, I founded Sienda Ltd in London — a company dedicated to delivering bespoke digital solutions, AI consulting, and business engineering services.
In addition to my work as a consultant and developer, I operate as a brokerage agent in the fields of digital solutions, business engineering, and business development. Thanks to a strong international network built over decades, I connect businesses with top-tier digital solutions, AI capabilities, and strategic opportunities. I actively collaborate with companies across Europe, North America, and Africa, facilitating the design and implementation of high-impact systems through trusted partnerships.My expertise extends beyond technology — I’ve played a key role in building business ecosystems in sectors such as agribusiness, education, sales agencies, and service networks. I bring a unique combination of technical know-how, strategic insight, and global connectivity to every project.
what I do
I lead the development of custom AI applications, including:Domain-specific GPT modelsData analytics tools for strategic insightsAI-powered assistants for operational supportSeamless integration of generative AI platforms, such as custom GPTs within existing business ecosystemsEach project is designed from the ground up — tailored, confidential, and delivered under white-label agreements where required.
The Sienda Model
Sienda Ltd operates through a flexible, project-based model. I do not rely on fixed in-house staff. Instead, I coordinate a trusted network of professionals and partner firms — building teams to match the unique challenges of each project.There are no pre-set vendors, no fixed templates. Each engagement starts with a clear analysis of the client’s goals, followed by tailored execution and transparent delivery.
You’ll work directly with me — from concept to completion.
Google Cloud Partner for best business practices and solutions
my approach
Custom AI + software design
No vendor lock-in
End-to-end project leadership
White-label delivery
Full GDPR compliance and confidentiality
Clear, measurable outcomes
Whether you're looking for a bespoke AI solution, a trusted development partner, or a strategic broker to help grow your business through digital innovation — I’m here to help.
Academic Foundation
My studies in IT engineering, economics, and data analysis, combined with the guidance of exceptional mentors throughout my career, have given me a solid and adaptable technical base. Since 2019, I have focused specifically on AI applications — helping businesses adopt intelligent, future-ready solutions that work.
Been serving businesses around the world since 1987
contact
Want to understand how AI could transform your organisation?
Looking for a white-label partner to support your next digital project?
Need a trusted consultant with deep experience and a strategic mind?
Let’s talk.
Bob Mazzei
Founder of Sienda Ltd — a London-based provider of bespoke digital solutions and AI consulting.
Author by inclination, rock music enthusiast by nature.