I have given a lot of presentations at conferences, and I try, when possible, to always upload them on Slide Share so that other can use/re-use and share them. Please, feel free to let me know if you used it, and if it was useful:
Social Media and Crisis Mapping for Media Development
New Media for National Broadcasters
Listening to the Crowd: verification of Social Media Content
Innovative Approaches to M&E and Project Design
Humanitarian emergencies: searching for Open Data – OKCon2013
OpenGeo data for Media Development – OKCon2013
Using new technologies to foster information systems in complex emergencies
Communication with Communities: C4D Unicef Workshop
Crowdsourcing, Mapping and Verification – PICNIC2012
Preventing Conflict with the right information – UNDP Workshop
Crisis Mapping and the Middle East: revolutionizing the technology
Big Data for Media Development
By the People: The Role of Citizen Journalism in the Information Revolution
Social Media for Public Health during Emergencies
ICT4D e applicazioni pratiche di nuove tecnologie per lo sviluppo (Italian)
FrontlineSMS User Guide (French) part I
FrontlineSMS User Guide (French) part II
Crowdsourcing and crowdfeeding (French)
Crowdsourcing tools and examples
Crowdsourcing and crowfeeding – second version
Ushahidi and Crowdmap training
Diary of a Crisis Mapper 