Our Company

Meet the Team

We are data scientists, product innovators, and data engineers. We have our expertise, but are united by our creative thinking, curiosity and collective desire to drive meaningful value with each of our clients

Thomas McKenna - Managing Director | Co-Founder

Thomas McKenna

Managing Director | Co-Founder

Thomas has spent his career helping retailers, manufacturers, and brands across Europe, Asia, and North America make better use of data and analytics to drive insights, connect with customers and improve profitability

At Bain & Company he led C-suite engagements across EMEA, delivering enhanced data & analytics and digital capabilities across a range of clients. Prior to that, he designed and scaled SaaS platforms (e.g. a leading personalization platform) for the likes of Tesco and Kroger, delivering significant sales uplift and cost reduction. He is passionate about innovation, product management and building high performance teams

 Dr. Gregory Fletcher - VP of Analytics | Co-Founder

Dr. Gregory Fletcher

VP of Analytics | Co-Founder

Greg leads our advanced analytics and data science capability. His expertise lies in the design, implementation and scaling of market-leading analytics solutions. He has extensive experience leading high performing data science teams to drive value for clients through technical innovation. Greg holds a PhD in experimental particle physics for his work at CERN on the Large Hadron Collider and is inspired by creative, disruptive thinking.

Gerry Buggy - Co-Founder

Gerry Buggy


Gerry has been building and leading technology businesses, based around enterprise software and data, for a number of years. He has co-founded a number of SaaS companies, including a cloud based payments company backed by Mastercard. Specialist areas include data privacy, streaming analytics, fin-tech, and trading systems

Roderick Manzie - Chief Operating Officer

Roderick Manzie

Chief Operating Officer

Roderick (Roddy) holds over 25 years of successful financial and management consultancy experience across SMEs and global financial institutions. His broad range of experience includes Founder, COO and CAO roles at multiple startup ventures, from inception through to international growth and acquisition. His impressive cycle commutes put the rest of the office to shame, and he’s our go-to for all things Ocula

Fustina Donaghy - VP Engineering

Fustina Donaghy

VP Engineering

Fustina has many years of expertise successfully innovating and delivering strategic technology solutions. During her career she has worked across diverse industries including Financial Services, Retail, Real Estate, VOIP, and Software Automation . She has been instrumental in architecting data integration, reporting and analytics products and enabling engineering teams to deliver quality, secure and well architected on-premise, cloud native and hybrid solutions. When not working, Fustina spends most of her time transporting her children to their various activities and searching for the perfect chocolate brownie recipe

Mark Shephard - Product Director

Mark Shephard

Product Director

Mark has been working in data and customer analytics for more time than he cares to remember, advising and guiding retail clients in their varied environments to wrangle their data to the advantage of their customers. Having spent many years managing the data science and digital products of a leading customer loyalty platform, he helped to develop, and then led, the advancement of his product in the delivery of personalised solutions to customers of retailers in a multitude of countries, in Europe and North and South America. Mark now leads the product function at Ocula, formulating the ways that the results of our innovative data science can be brought to our various clients

Brendan O’Neill - Principal Data Engineer

Brendan O’Neill

Principal Data Engineer

Brendan (Benny) has been designing, developing and testing applications for 15+ years with a mix of embedded, desktop application and cloud development in diverse sectors such as content delivery, scientific imaging, payment systems, security cameras and more. With a core specialism in back-end systems, Benny’s skill set includes multiple languages and cloud technologies, systems architecture, event streaming, API development and third party integrations. Benny enjoys collaborative development with a focus and understanding of what the customer actually needs. Outside of work, Benny can be found in the gym, or building, installing or fixing something to finish his house

Sara Klimesova - Senior Data Scientist and Simulation Engineer

Sara Klimesova

Senior Data Scientist and Simulation Engineer

Sara loves building, designing, and implementing complex models that help organisations make better decisions. She has a wealth of experience training Machine Learning and Digital Twin models to capture the intricacies of retail, aviation, automotive and Formula 1. Sara draws on her academic experience in data science and operational research (optimisation), where she received the Operational Research Society’s May Hicks Award for her Master’s dissertation on dynamic pricing optimisation (runner up). Away from the code editor, you will most likely find Sara hiking in the wilderness or, failing that, testing out London’s newest specialty coffee shop.

Ed Cooper - Webapp Lead

Ed Cooper

Webapp Lead

Ed has a wealth of experience in designing and delivering web applications for data science and simulation propositions, building out interactive data and geospatial visualisations in React and Angular for mission-critical production use cases. He also led technical strategy engagements with a top consulting firm. Before moving into web development, Ed founded an additive manufacturing startup and developed hardware prototypes in Shenzhen, China, as well as working in composite materials research for F1 teams and aerospace majors. Away from the keyboard, Ed can be found cycling the country lanes of the home counties and haunting London’s latest food and music spots

Isabel Scavetta - Product Manager

Isabel Scavetta

Product Manager

Isabel is inspired by how we can leverage the power of data to solve some of our clients’ biggest problems. A creative thinker and problem solver, she combines her passion for product vision, strategy and design to ensure that as we build for the future, we build for everyone. Alongside Ocula, her award-winning work to improve diversity in the technology sector includes lead volunteering roles at Code First Girls, GirlCode and Microsoft, and sharing her experiences at Her Business Now. When she’s not working her magic in Jira, you’ll find her exploring London’s coffee shops or on the sports pitch!

Niall McInerney - Data Scientist

Niall McInerney

Data Scientist

Niall hails from the West coast of Ireland, and is a recent graduate of the MSc in Data Analytics from Queens University Belfast. His Masters dissertation examined how machine learning methods could extract valuable insights from Bovine Tuberculosis testing data in Northern Ireland. Previous to this, he worked as a Mathematics and Engineering Educator, and has a PhD in Applied Mathematics during which he developed models of drug release from various smart-polymer devices including contact lenses. When he’s not solving maths problems, he can likely be found hiking in the Mournes, poorly attempting to play traditional Irish music, or crying on the couch watching Everton lose again.

Anna Gausen - Sustainability Research Scientist

Anna Gausen

Sustainability Research Scientist

Anna is a part-time research scientist at Ocula. She leads the sustainability research and development workstream. She is also currently completing a PhD in Computer Science at Imperial College London. Previously, she worked for over two years as a data scientist building software products.

Isabel Vogelein <br> Linus Folkerts - Ocula Interns

Isabel Vogelein
Linus Folkerts

Ocula Interns

Jason du Preez - Ocula Advisor | CEO of Privitar

Jason du Preez

Ocula Advisor | CEO of Privitar

Jason is the co-founder and CEO of Privitar, an enterprise software company enabling organisations to use data for insight with an uncompromising approach to data privacy.

Jason is passionate about leadership, technology and growth and has spent his career building technology businesses. Prior to founding Privitar, Jason led data orchestration vendor, m35, from inception through to successful exit to Thomson Reuters.

Dr Peter Bebbington - Ocula Advisor | CTO of Brainpool AI

Dr Peter Bebbington

Ocula Advisor | CTO of Brainpool AI

Peter is the CTO and Director of the global technology company Brainpool AI, specializing in value discovery in data with the aid of state-of-art data science, machine learning, and AI stacks.


Become part of the team

We are actively hiring exceptional data scientists, engineers, and product talent. If you have potential and drive, let us know why you could be a great fit here

Get in touch