April 2025 – Guillaume's Blog

Operating Systems

I took some time to review how they work and their purpose. I would say so far this is mostly useful to understand the performance issues and bottlenecks. For instance knowing about the topic gives the command htop a whole new dimension, it is finally possible to understand the options and most of the KPIs in the window.

About

I work with Sales Reps to deliver compelling discoveries, demos, and architecture blueprints of software & cloud products to clients involving multidisciplinary IT architectures. Half of my career has been in pre-sales at large software makers specialising in applications and cloud platforms & the other half has been in pure net-new Sales roles within ultra-aggressive, VC-funded hyper-scaling startups. In these roles, I was a pivotal member of the sales leadership team, notably contributing to the revenue growth in one instance from a half-million ARR to tens of millions in less than four years - and the company in question successfully exited for 650M since then (and in Europe!). Additionally, I have successfully led complex, years-long sales cycles at some of Europe’s largest companies, working together with software vendors and implementation partners to secure complex deals and their closure. I hold a Master of Science in Computing and I am fluent in English, French and Spanish. Please check my articles, subscribe and get in touch via email.