Randy Berry scheduled to speak to participants on March 29
U.S. ambassador to U.N. gave keynote speech at HRC conference
'Put the human rights of LGBT people on the international stage'
Lawmakers approved document by 507-25 vote margin
Law banning ‘aggravated homosexuality’ signed in 2014
U.S. urged to freeze anti-LGBT president’s assets
Roundtable with president took place in Nairobi
Parliamentarians to introduce gay nuptials bill next month
Repeal of 1886 law sends ‘message’ to African countries
Country first to allow gay nuptials through popular vote
