Meet ShapeBlue's Leadership Team

A vision for innovation and passion for open-source technology

shapeblue ceo

Giles Sirett


Giles is CEO and founder of ShapeBlue and is responsible for overall company strategy, strategic relationships, finance and sales.

He is also a committer and PMC member of the Apache CloudStack project and Chairman of the European Cloudstack User Group, actively helping promote brand awareness of the technology.

Giles can regularly be heard speaking at events around the globe, delivering visionary talks on cloud computing adoption and more specifically on Cloudstack technologies.

Before ShapeBlue, Giles held C-Level technology positions for 15 years including founder and CEO of Octavia Information Systems, a leading UK Managed Service Provider.

Giles holds a BSc in Engineering Physics from Sheffield Hallam University. Outside work, Giles is married with two teenage children. He coaches children’s rugby, is a competitive masters swimmer and can regularly be seen crying when his beloved Tottenham Hotspur lose.

Our customers run some of the largest cloud infrastructures on planet earth and they rely on ShapeBlue to help them leverage value from the opensource Apache CloudStack project. We can only deliver these best-in-class services through the talent, experience and dedication of our team. I see my role as CEO to support that team to do the best for our customers, the best for Apache CloudStack in and the best for themselves.

Giles Sirett, CEO, ShapeBlue

Steve Roles


Steve is ShapeBlue’s COO and is responsible for all day-to-day administrative and operational functions of the business, including the consulting, programme management, and support functions.

Involved with CloudStack since 2012, Steve has led several large customer engagements including a number of major public and private cloud deployments; co-ordinated and developed worldwide teams and helped implement and deliver an enterprise grade support product.

Prior to ShapeBlue, Steve held senior technical, project and account management roles in enterprise IT outsourcing companies where he gained domain experience in the finance, professional services and defence markets.

Away from work, Steve is a father, keen guitarist, snowboarder and singer (not necessarily in that order).

shapeblue coo

ShapeBlue not only specialises in opensource software, we live and breathe the opensource ethos in everything we do. This is enabled by the fact that we are a 100% employee owned business - every employee here is a joint owner of the company.

Steve Roles, COO, ShapeBlue

shapeblue vp engineering

Rohit Yadav

VP Engineering

Rohit oversees the Software Engineering function at ShapeBlue, providing leadership and mentorship to our ever-growing Engineering Team.

Rohit has been involved with CloudStack since 2012, when he was first made a committer in the Apache CloudStack project and has made more code commits to CloudStack than any other developer in its history. He has been a PMC member of the project since 2015. Rohit is the author & maintainer of the CloudStack CloudMonkey project and has been instrumental in the development of many of CloudStack’s flagship features. Rohit regularly speaks at events, focussing on developer access to the project, and has also mentored Google Summer of Code students.

Before joining ShapeBlue, Rohit had spells at Wingify and Citrix Systems. Rohit also spent time at CERN in Geneva, working on the BOINCVM project (volunteer cloud computing platform for scientific research). He holds a B.Tech and M.Tech in Computer Science and Engineering from IIT-BHU.

Outside of work, Rohit has a passion for renewable energy technology and caring for his two cats Gracie and Ashley.

We champion innovation and advancing capabilities in Apache CloudStack, driving forward open-source excellence. Our mission is to empower businesses and community to build scalable, reliable and cost-effective cloud infrastructure.

Rohit Yadav, VP Engineering

Ivet Petrova Madzharova

Marketing Director

Ivet Petrova is the Marketing Director of ShapeBlue. She is responsible for strengthening ShapeBlue’s global brand and market awareness of ShapeBlue’s services. Specifically, Ivet’s team is responsible for brand, advertising, content and digital marketing, social media, and media relations.

Ivet is also an active member of the CloudStack community, working on increasing the awareness of the technology and showing its benefits to a wider market.

Ivet has 15 years of experience in marketing for IT service providers including a number of cloud and hosting providers, storage companies, SaaS providers and software development companies. She holds a Masters degree in Marketing.

Away from work, Ivet is passionate about traveling around the world and exploring new cultures.

shapeblue marketing director

Using open-source technologies is the only way to build sustainable cloud infrastructure, free from dependencies and ensure reliability in the long term. Our team is focused on helping the Apache CloudStack project evolve, while enabling our customers to reap the benefits of innovative and proven technology. I feel proud to be a part of 100% employee-owned company and a great place for talent to grow.

Ivet Petrova Madzharova, Marketing Director

Our Values

Ownership – Taking responsibility and initiative for your growth, the success of your team and the company as a whole.

Empowerment – Fostering a culture where every individual is encouraged to take ownership, make decisions, and drive positive change.

Value – Always create value through our work. Value for our customers, value for the community, value for our colleagues.

Openness – Open-source is in our DNA. We believe 100% in open-source and openness in our work with clients and partners.

Honesty and Fairness – Fair attitude and treatment to all team members. Supporting them in work and life.

Building and Growing a Community – We contribute heavily to the Apache CloudStack community and encourage our team to do so.

Learn About ShapeBlue

ShapeBlue is the largest independent integrator of CloudStack technologies globally and are specialists in designing and implementing IaaS cloud infrastructures for both private and public cloud implementations.

Download a step-by-step guide to migrate your existing vSphere environment to a robust IaaS cloud environment based on Apache CloudStack and the KVM Hypervisor, ensuring a smooth, low-friction migration journey.