Kajal Odedra works for petitions website Change.org and previously campaigned for the UK Youth Parliament, Crisis and Macmillan Cancer Support.

Change.org is the world’s biggest petition platform with 10m users in the UK and over 135 million users worldwide. Our users win 50 campaigns a month in the UK and over one an hour globally, holding power to account on everything from hyperlocal issues to campaigns that spark action across the globe.

Find out more about how they got and grew their user base and what they have learnt about keeping their community engaged.