The founder and managing director of the Platforum has quit, it has been confirmed.

Centaur Financial Group has officially announced the departure of Holly Mackay after reports of her exit yesterday.
The company has also revealed a raft of changes to its management team.
Ms Mackay said: "I have had a great time building and developing the business which is going from strength to strength.
"I'd like to thank my team and everyone at Centaur for their generous support and I wish them well for the exciting second chapter of The Platforum.

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"I'd also like to thank our lovely clients and readers for their encouragement, advice, input and content over the last six years."
The firm said she had been "actively involved in the handover to the new team" and will still be chairing the annual Platforum conference on 8 October, set to be the eighth and largest in the series.
Following Platforum's integration with the rest of Centaur Financial, and the appointment of the new portfolio MD, Sandeep Saujani in July, other appointments have been made.
Heather Hopkins has been appointed director of research after previously having senior roles with Experian, Hitwise and Econsultancy.
She will work alongside Georgina Pardoe, head of marketing and strategy, who started with the Platforum in July after joining from Aberdeen Asset Management, where she was head of European marketing.
Corporate adviser editor John Greenwood is expanding his role within Centaur Financial to oversee research in the retirement market.
The company said it anticipates more additions in the near future in the adviser platform channel.
Sandeep Saujani said: "With the new additions we are making to the team, and by combining Platforum's insights with Money Marketing's access to market, we look forward to continuing to develop this highly respected brand. On behalf of the team, I'd like to thank Holly for her input and enthusiasm. "
Centaur Financial comprises Platforum, Money Marketing, Mortgage Strategy, Fund Strategy, Taxbriefs, Headline Money and Corporate Adviser.
Centaur Financial is part of Centaur Media.