Our Team

At Twig Education we’re passionate about our products and the future of science education. We care about what we do and how we do it.


Catherine Cahn, Twig Education SMT.

Catherine Cahn

Chief Executive Officer

After a career in law and finance at Latham & Watkins, O’Melveny & Myers and Merrill Lynch, Catherine co-founded Twig Education in 2010. She has been CEO of Twig since 2017 and led its US expansion. 

She studied history at UCLA law at The University of California, Berkeley and qualified as a lawyer in California, England and Wales.

Photograph of David Sadler

Dave Sadler

Chief Finance Officer

Dave is an ACCA-qualified accountant with extensive B2B experience in the airline industry and as EMEA Finance and Operations Director with Lonely Planet Publications. 

He also has ten years of media experience at News International as Finance Director for Sales and Marketing, Digital, Strategy and Business Intelligence.

Photograph of Natasha Stillwell

Natasha Stillwell

Chief Product Officer

Natasha is an acclaimed broadcast journalist, known for producing and hosting Discovery’s popular science show, Daily Planet. In 2011, Natasha switched to EdTech, developing Twig Education’s first K-5 science product, Tigtag. 

Since then, she has successfully launched multiple award-winning STEM and ELD products. She has played a key role in building Twig Education’s global brand by forging strategic partnerships.

Cheryl De La Vega - VP of US Sales

Cheryl De La Vega

Chief Commercial Officer

Cheryl is a US PK-12 Specialist collaborating with educators and content experts to innovate and serve the 21st Century needs of students, teachers and administrators.

She received the “Terry Mcgraw Excellence in Leadership Award”, and continues her mission at Twig Education to provide new and exciting approaches for education.

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Clifton Stubblefield

Chief Operations Officer

Clifton is an accomplished Operations Executive with over 20 years’ experience in global supply chain management, financial accounting, business analysis, customer relationship management, and human resources operations. 

He has 15 years’ extensive B2B and B2C experience at wholesale and manufacturing companies, including six years as Operations Director at Petit Collage, developing and executing a global logistics and warehousing strategy. 

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Alan Barrow

Chief Digital Officer

Alan is an accomplished Product and Development Manager with over 25 years’ experience in owning product strategy and managing product delivery for organisations such as Nokia, and customers like Vodafone and the UK Government. 

He is an ingenious problem-solver who is passionate about product success, value creation, and customer satisfaction. He prides himself in creating an agile, collaborative, efficient, and transparent working environment.

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Tracey Lv

VP Asia

Tracey is an accomplished Educator in China/East Asia with 20 years’ experience.
Before joining Twig in 2020,Tracey worked for the British Council and Kimberly-Clark,
developing a deep understanding of the consumer goods industry and education industry.

The different perspectives of the  stimulated her thinking about educational products and services and strengthened her belief in making educational products based on students experience and educational solutions focusing on improving core literacy.

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