Venu Dhupa, the creative development director at Creative Scotland, is resigning, following on from the departure of chief executive Andrew Dixon.
In October, more than 100 artists and writers, including national poet Liz Lochhead, author Alasdair Gray and crime writer Ian Rankin, joined forces to criticise the body for the way funds are distributed.
Creative Scotland have since announced it will simplify the way in which individuals and organisations can access advice and funding, and said forums will be set up to allow artists and other creatives to contribute to policy development.
Ms Dhupa had overseen changes to the funding system earlier this year. She will leave her post at the end of February next year.
She said: "I have really enjoyed my time at Creative Scotland.
"We have facilitated some amazing art and creative work in the last two and a half years, not least made the biggest residency programme in Europe with several international partners.
"It's the talent that makes all this possible that should be the focus going forward.
"Seeing social and cultural diversity as an opportunity and having the courage to look outwards will be an important element for Scotland's success.
"I have travelled the length and breadth of the country and met some wonderful people who are the creative heart-beat of Scotland, and I look forward to celebrating their achievements in future, albeit from a different perspective."
Ms Dhupa was previously director of arts at the British Council and has organised cultural events throughout the UK.
Sandy Crombie, chair of Creative Scotland, said: "I would like to thank Venu for her contribution to Creative Scotland.
"Venu has worked hard on behalf of the organisation and this is very much appreciated.
"Her work in the area of international engagement has moved us on significantly, with many new partnerships established for the benefit of Scotland.
"On behalf of the board, I wish her all the very best for the future."