Our team

The people who make the data work

Our strength lies in our talented team of consultants: expert data scientists, engineers, analysts, and project managers. They are high-flyers with a shared passion for solving complex data problems, responsibly and collaboratively.

Our leadership

Butterfly Data is proudly led by its founders and directors, who have organically grown the business from a spark of an idea to a soaring consultancy.

Wayne Chicken
Director

Co-founder and director, Wayne left Cardiff University as a qualified computer scientist, and had a successful career in credit risk management (financial services). He is driven by ethical uses of data, bringing a deep appreciation of data’s power for good in society.

Sara Boltman
Director

Co-founder and director, Sara established Butterfly Data in 2003 after graduating from Oxford University with a MSc in Physics. She has 15+ years of experience in data science, intelligence analysis, and management consultancy. She is a strong advocate and mentor for women in tech and leadership.

Robert Boltman
Director

Director with qualifications in both computer science and architecture, Rob oversees Finance, IT, and our overall operational strategy. When he’s not juggling operations, he is a keen sailor and photographer at the weekend.

Rob Smith
Director

Director, business analyst, and project manager, Rob leads team efforts across sectors, emphasising high standards, innovation, and comprehensive business transformation. As an innovative thinker, he’s always eager to create unique propositions.

Our team

Our team is made up of passionate, skilled professionals who thrive on solving complex data challenges and delivering real impact for our clients.

Will Hauwert

Senior manager and SAS specialist, Will has experience across different SAS products and industries including government, financial services, and retail. He’s often climbing a Munro, exploring the Scottish Highlands and Islands.

Thomas Doublein

With a background in data science and PhD in Biomedical Engineering, Thomas specialises in development methodologies and open-source software. He’s often found sipping his ‘12 strength’ craft coffee.

Shane Prinsloo

With a strong foundation in mathematics and experience in SAS front-end development, Shane brings a personable, analytical approach to consultancy. He loves making music and exploring the Welsh countryside.

Sarah Aldous

Data consultant with a background in psychology, Sarah applies theory to data analytics to solve societal problems by considering the big picture. She’s also a crochet enthusiast, truly hooked on the hobby.

Sally Wrigley

Team leader and business developer, Sally specialises in Agile delivery, stakeholder management, and motivating high-performing teams. An early riser, she enjoys yoga, swimming, cycling, and paddleboarding.

Richard Ashton

Data consultant with a financial services background, Richard has worked across customer data, credit risk, and banking products. A former county chess player, he’s always several moves ahead with his data strategies.

Martin Shine

Senior manager specialising in data governance and engineering, Martin is a data quality expert who makes complex ideas clear for non-technical audiences. A cricket lover, he spends summers bowling off-spin or watching Lancashire.

Rebecca Mumford

HR manager, systems administrator, and business coordinator, Rebecca ensures smooth daily operations and strong team-client coordination. Voted “most entrepreneurial” at Derby University, she brings that same spirit to Butterfly.

Patrick Arthur

Data analyst and military veteran, Patrick combines resource management experience with a growing focus on cloud computing. His favourite historical tech? The original 8-bit Nintendo Game Boy.

Maja Strawinska

Data scientist with a background in criminology and forensic science, paired with an MSc in Data Science and AI, Maja excels in statistical analysis and machine learning. She loves photography, hiking the UK’s hills, and is a proud Scouts Youth Lead.

Luke Westlake

Data analyst with SAS skills and an MSc in Data Analytics, Luke blends theory and application when it comes to leveraging data. Outside work, he’s an enthusiastic chef, cooking up a storm in the kitchen.

Luke Coldridge

Data professional with a mathematics degree and SAS expertise, Luke specialises in cloud computing and has a keen interest in data modelling. He enjoys music, gaming, and walking his dogs.

Lucy Wilson

Engagement lead, Lucy specialises in compiling user stories, empowering decision-makers through data visualisation, using data to bring people together. She spends weekends adventuring in the Lakes, on her bike, or in her ‘Big Red’ VW T4.

Kimberley Green

Data analyst and Doctor of Philosophy, Kimberley brings detailed-oriented thinking to complex tasks, along with experience in presenting findings. Away from the office, she plays saxophone in her Ska band.

Jess Wilford

HR and administrative team member, Jessica brings years of experience and a dynamic mindset to keep the team running smoothly. She enjoys teaching youth rugby and brings her strong team morale to Butterfly.

James Lancashire

Account manager and scrum master, James facilitates the ‘Agile’ in our data quality project delivery. As a climber of the highest peaks on all seven continents, he aims high in both work and adventure.

Khadija Durrani

Data scientist with an MSc in Data Science, Khadija has experience in model production and image classification. A true academic, she enjoys reading articles and journals, followed by long walks to unwind

Jonathan Murray

Project management and delivery lead, Jonny brings coaching and leadership to foster team collaboration. A natural strategist, he enjoys a good game of risk and always seeks a worthy opponent.

Jacob Mackenzie

Data analyst with strong communication and critical-thinking skills, Jacob has experience in counter-fraud investigations and Civil Service digital transformation. He’s also a published poet, blending creativity with data analysis.

Henry Newman-Burke

Highly experienced data consultant and SAS administrator, Henry is known for his professionalism and delivering on customer goals. He’s also a church organist and classic film enthusiast.

Isobel Taylor

Data consultant and Doctor of Design Research, Isobel specialises in wearable healthcare technology and patient-centred design, bringing key domain expertise. Outside work, she enjoys gardening and drawing.

Chris Green

Data analyst with experience in financial services and medical data, Chris specialises in automating ETL processes and is skilled in Python, SQL, Visual Basic, SAS and Snowflake. He enjoys sharing trivia, board games, and podcasts.

Giacomo Allen

Consultant with expertise in data engineering, Giacomo specialises in data extraction, cleansing, and visualisation with Python and SQL. He’s also a video game enthusiast with an impressive hardware collection.

Alex Schoenfelder

Data scientist and engineer with a background in communication strategy and a keen interest in data visualisation. When he’s not out running, Alex organises the local PyData meet up or contributes to research at the University of Exeter.

James Hume

As a versatile programmer with varied data expertise spanning SAS, Java, and front-end development, James improves client data structures with the same precision he brings to his home tech setups.

Emily Taylor

Marketing manager with a diverse industry background, Emily specialises in strategic analysis and communications to bring potential customers to Butterfly Data. She enjoys outdoor adventures with her dog, Eric.

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