Mitchell Winter Bell
Mark Bell
CEO
About Mark
With nearly three decades of leadership in online payments, Mark brings a wealth of experience across card acquiring, payment processing, fraud prevention, risk management, FX, and treasury solutions — with over 20 years in the online gambling sector.
Throughout his long career, he has held senior positions at companies including Thomas Cook CFX/Travelex, GBG plc, Envoy Services/WorldPay, Secure Trading, emerchantPay, and most recently, Freemarket FX in London.
Mark has built a trusted, global network spanning the online gambling, forex, and crypto sectors — connecting clients with best-in-class providers, and driving success through long-standing relationships and deep market insight.
Jaki Becker
Chief Marketing Officer
About Jaki
Jaki is a serial overperformer with vast experience and an impressive international network of contacts in Online Gaming space, where she has been operating over the last 15 years since starting out setting up an online Bingo operation for a Gaming VC (GVC) backed project in 2007.
Since then, she has worked with a number of online gaming companies both in Latin America and Europe where she was more recently country manager of Spain for Betway until 2015 when she decided to focus on being a full time intermediary of payment services to the gaming sector.
Jaki speaks native English and native Spanish as well as fluent French. She joined Mitchell Winter Bell in 2023 to Head up Operations and is responsible for all contracts, payments, suppliers, and marketing.
Sharon Whittaker
Chief Operating Officer
About Sharon
Sharon Whittaker is a seasoned FinTech executive with over three decades of experience driving operational excellence, revenue growth, and client success. As Chief Operating Officer at Mitchell Winter Bell S.L., Sharon brings a wealth of expertise in optimising processes, leading high-performing teams, and implementing strategic initiatives to enhance business efficiency.
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Throughout her career, Sharon has held senior leadership roles across global financial institutions and FinTech firms. Her ability to develop and implement data-driven strategies has resulted in measurable business improvements, such as increasing revenue by 779% and reducing time to revenue realisation by 21%.
Outside of her professional endeavours, Sharon is a former World Irish Dancing Champion, a black belt in Wado-Ryu, a licensed Zumba instructor, and an accomplished marathon runner.
Cristiano Langella
Strategic Partnerships Director
About Cristiano
Cristiano Langella is an accomplished FinTech and payments professional with extensive experience driving client growth, building strategic partnerships, and leading high-value accounts across Europe and the UK. Cristiano leverages his expertise in international sales, account leadership, and stakeholder management to deliver tailored solutions that support client success in a competitive global market.
Throughout his career, Cristiano has held senior leadership and client-facing roles at leading firms, his track record spans scaling revenue pipelines, managing enterprise relationships.
Cristiano is known for his ability to balance strategic vision with hands-on execution, excelling in areas such as stakeholder management, project delivery, and negotiation. He brings a strong international perspective, having managed sales and partnerships across the UK, Middle East, India, and wider European markets.
Hollie Godwin
Business Administrator
About Hollie
With over 20 years of experience in Customer Relations, Business Administration and Personal Assistant roles Hollie brings a wealth of knowledge, professionalism, and people-focused support to every role. She has worked closely with executives and teams across various industries, improving customer experiences and ensuring operations run smoothly.
Hollie is highly organised, proactive, and known for being a great team player. She takes pride in delivering high-quality support that helps businesses and teams succeed.
She brings a strong foundation of professionalism, reliability, and efficiency to everything she does. Whether working one-on-one with executives or engaging with customers directly, her goal is always the same: to make life easier, more productive, and more successful for those she supports.
Martin Kaufman
Sales Manager
About Martin
Martin Kaufman is a seasoned business founder, managing director, and executive chairman with a wealth of experience in building and leading successful companies.
Throughout his career, Martin has taken on various roles, including serving as a non-executive director and playing a key role in mergers and acquisitions, where he successfully led the sale of his business. Now in semi-retirement, Martin is excited by new projects and keeps busy by exploring ventures that align with his keen interest in the workings of money.
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Outside of his professional life, Martin is a dedicated husband and father who enjoys cooking and traveling. He embraces every opportunity to explore new cultures and cuisines, reflecting his passion for continuous learning and adventure.
