This week Visceral Business compiled the Charity Social 100 Index 2012, and we published the results on the network.

The study found that charities are using social media to increase their reach and promote their work, but are not making the most of social networks to engage and interact with supporters.

Visceral Business's Anne McCrossan said: "The results show that smaller, more networked charities in which people feel involved, and where there's less of a perceived difference between the inside and the outside of the organisation, are doing particularly well."

She also said: "There's something of a disconnect going on at the moment. Charities aren't necessarily utilising the full potential that can be brought to the party when it comes to supporters wanting to share their own involvement in fundraising activities."

With that in mind our Q&A will look at:

• How charities can make better use of social media

• How charities can make online communication a two-way process

• Building and maintaining an online network

To join our experts on the panel, email Abby Young-Powell. You can leave your questions in the comments section below, or come back to join the discussion live from 1pm to 3pm on Wednesday 3 October.

This content is brought to you by Guardian Professional. To join the voluntary sector network, click here.

Expert Panel

Sylwia Presley, Voice

Sylwia is a social media strategist and word of mouth marketer with experience at 1000heads with major brands like Nokia, Toshiba, Castrol, Sylwia previously worked for Cemex, TATA and Nokia, currently specialising in social media for nonprofits. Funder of Barcamp Nonprofits. Author for Global Voices Online. Oxford organiser of Twestival and Girl Geek Dinners. Funder of Voice Tweetups and Voice Social Media Breakfasts. Blogger over at SylwiaPresley.com and MyLittleCoffeePlace.
Twitter: @presleysylwia

Loren Treisman, Indigo Trust

Loren is the Executive of Indigo Trust, a grant making foundation which supports technology-driven projects that bring about social change in Africa. She's overseen a variety of development projects across Africa. Loren also regularly presents at International Conferences and commentates in the press. She holds a PhD from Cambridge University.
Twitter: @indigo trust

Alison McCormack, We Are MC2

Alison is a digital strategist working in the third sector. She started at We Are MC2 almost a year ago, after leading the Age UK digital merger, to help charities thrive in a digital age. Firm believer that digital is fundamentally changing the way social change and social good come about.
Twitter: @wearemc2

Adam Wilkinson, Connect Assist

Adam is head of development at Connect Assist, a contact centre social enterprise that was recently ranked in the Wales Fast Growth 50 rankings of fastest growing companies in the country. In this role he works with charities and public bodies to develop engagement strategies for their service users. Adam works closely with Connect Assist's technology team to create bespoke solutions for its customers, with an increasing focus on social media. He currently works with a number of charity sector clients including: The Teacher's Support Network, Renovo, Turn2Us, NCVO and Caravan.

Matt Collins, social media coach

Matt is a social media coach for charities. He also organises the South London Digital Charity Meetup, as well as digital experiments in the fields of NFC and SMS. He has 10 years experience in the sector as a digital marketer, communicator, and manager.
Twitter: @charitychap

Anja Nettler, the Canal & River Trust

the Trust took over from British Waterways in July 2012 and is responsible for 2,000 miles of canals and rivers. Anja looks after the social media strategy, provides internal social media training and creates content for the Trust's social media channels.
Twitter: @AnjaNettler

Paul Darigan, Girlguiding UK

Paul is the social media manager at Girlguiding UK, the UK's largest voluntary youth organisation. He began working at Girlguiding UK in July 2011 and has overseen an over-haul of social media practices and guidelines within the organisation. Girlguiding UK gives girls and young women a voice, and their social media activities reflect this commitment.
Twitter: @PDarigan

Joe Freeman, Diabetes UK

Joe is the Digital Engagement Manager at Diabetes UK, an organisation that has seen its use of online networks grow significantly over recent times. Within the charity, social media is seen as a key two-way communication tool, and an invaluable tool providing people with diabetes with support and advice on living with the condition.
Twitter: @JosephFreeman

Elena Goodrum, Sift Digital

Elena is digital engagement manager at Sift Digital. She loves helping people have meaningful conversations online, and is passionate about connecting organisations more closely with the people they support. She has worked at Sift since 2007, and is the Digital Engagement Manager for Sift Digital.
Twitter: @elenagoodrum

Steve Bridger, Visceral Business

Steve has been helping charities understand the web since the mid-90s, having previously worked for Oxfam GB, where he also organised a Blue Peter appeal. Steve advises a number of start-ups in the charity sector, and sits on the selection panel of NESTA's Innovation in Giving Fund. He is a frequent speaker on the future of charities, and a contributor to several reports on online fundraising. Steve has also received a prestigious travel-writing award from the President of Mexico.
Twitter: @stevebridger