About Madiston


We like the concept of social lending: the getting together of a number of people, usually unknown to each other, to fund something. We have built the Madiston platform to facilitate this principle and, from the outset, enabled it to be customised to different business models. Our vision is “direct access for all” – whether you are an individual or an organisation.

Meet the team

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Tim Simon, CEO
Tim has been described as a “serial entrepreneur”, having founded three software firms servicing the financial sector. In 1975, he founded his first company and in 1981 he floated it on the LSE as Quotient plc. By the time he sold the company 10 years later for £27.2m to ACT Group, Quotient plc had 8 international offices and over 500 institutions as clients, many of them the world’s largest banks and securities houses. Some of its market leading products are still used today as the core part of financial institutions’ business systems. He floated his second business, Mondas (now Corero), on the Alternative Investment Market (AIM) in 1996. Madiston is his third company, with arguably the greatest potential. Tim combines his skills in management with designing, building and marketing software applications and his passion for financial sector markets.
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Sally Johnson, Director and Company Sec
With a background in marketing, finance and administration, Sally worked with many IT and small business as a consultant. She joined Tim at his second business, Mondas, when it was a sole trader business, becoming Company Secretary and responsible for marketing. In that time, Sally was involved in the AIM flotation, two acquisitions and fundraising. She has taken products from launch to market leading positions, established quality procedures and helped small businesses grow.
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Mark Crocker, Executive Director
Mark is an experienced General Manager in the software industry with a proven track record in opening offices, expanding internationally, turning around underperforming business units, raising investment capital, leading businesses through significant revenue growth/profitability, mergers/acquisitions and shareholder exits.
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Brian Scott-Quinn, Non-executive Director
Brian is non executive Chairman of the International Capital Markets Association (ICMA) Centre – the business school for financial markets which he founded at the University of Reading in 1991. Originally an investment banker, his research is in banking, investment banking and infrastructure financing and investment where his advice has been sought by government and regulators alike.  His book, “Commercial and Investment Banking and the International Credit and Capital Markets – a guide to the global finance industry and its governance” has been a top-selling text on the global markets. He is a non-executive director of Civilised Bank Plc and Chairman of the Bank’s audit committee.