RT @MaryAnnOchota: Huge thanks @VinsonandElkins London for inviting me to talk #toilets & #sanitation. Thru @toilettwinning you’ll be tran…

RT @MaryAnnOchota: Huge thanks @VinsonandElkins London for inviting me to talk #toilets & #sanitation. Thru @toilettwinning you'll be tran…