Izzy Thomson

Izzy Thomson

Building AI agents for big companies as Head of AI at Issoria. Shipping my own AI apps on the side and posting what I learn.

Featured Work

All experiments

Head of AI at Issoria · Enterprise Platform

ChangeAble.ai

Enterprise AI for change and transformation teams—turning documents and stakeholder context into draft deliverables and connected workflows, with governance appropriate to serious programs.

Custom GPTs → Web App → Client Deployments: Started as custom GPTs generating structured Excel outputs before evolving into the full platform.

#1 GPT Builder · 100K+ Chats · 4.4★ (1K+ Ratings)

GPT Builder Pro 4.0

Better than OpenAI's native GPT Builder—shipped in the first week of GPTs and refined across 100K+ real conversations.

★★★★★ “Excellent job of walking me through a process that has become clearer.” · “Works very well and its communication structure is extremely helpful.”

Monthly experiment · May 2026

Skimless

Tailored audio updates from the sources you already follow: YouTube channels, newsletters, RSS feeds, docs, and changelogs filtered around what you care about.

Monthly experiment · Mar 2026

Canimate

Branded content from a URL—part of a monthly public build series where I ship experiments, document what I learn, and tighten my craft.

88K+ texts cleaned · Web app & Chrome extension

DeGPT

Fix ChatGPT copy-paste for real destinations—email, docs, slides, and more—with an optional Chrome extension.

Head of AI at Issoria

Enterprise Client Work

When enterprise data residency or procurement rules out external SaaS, I design and build working AI agents directly inside the platforms big companies already have approved.

M365 · Copilot Studio01

Microsoft Copilot

Building M365 Copilot agents and Copilot Studio workflows wired into SharePoint, Teams, and locked enterprise templates.

Anthropic · Skills02

Claude

Designing Anthropic Claude agents, custom skills, and structured document pipelines for large-scale transformation programmes.

AWS · Enterprise03

Amazon Quick

Deploying enterprise AI assistants, knowledge workflows, and automation inside Amazon Quick and AWS environments.

Private VPC · Custom04

Clients' Internal AI Tooling

Configuring bespoke multi-skill agents and internal apps inside clients' proprietary GPT and AI platforms when data cannot leave their boundary.

Client & Industry Feedback

All testimonials

“Issoria's AI Change Impact generator would have halved the time it has taken us to complete Change Impact Assessments for our global S/4 project.”

Global Change Manager·Fortune 500 Food & Beverage Company

“ChangeAble is definitely a game changer and will fundamentally improve how we approach change.”

Head of Change Management Office·Global Bank

“Having had the opportunity to see the generator in action, and having worked in change management in many different guises from analyst to change leader, I can confirm that this tool is an exciting and considered use of AI. It will really change the game on how you deliver change management regardless of industry or initiative. The potential for accelerated and quality impact identification along with subsequent management of actions and interventions is huge!”

Emma Everid

Change Management Consultant, former Director of Change Management at PepsiCo

“We have been partnering with Issoria on a large-scale enterprise transformation, leveraging ChangeAble.ai to enable more efficient, data-driven change execution. Automated change impact analysis with heat mapping has let us clearly identify and focus on the most impacted areas of the organization. Together, we are pushing the boundaries of how AI can be applied on large transformation programs - saving time and manual effort while maintaining a high standard of quality in execution.”

Organisation Development & Transformation Director

Global engineering & technology group

Press Feature · Change Management Institute

5 AI Tools for Change Managers

Commissioned by the Change Management Institute—Declan Foster highlights tools change professionals can use today, including Issoria’s AI Change Impact Assessment and how AI can support (not replace) your work.

Declan Foster · Change Management Institute

Read the article

Notes & Essays

Blog

Occasional notes on shipping AI products, tooling, and what I learn from monthly builds.