Who will perform on the search engine optimization RIF?

I sent the following question to the organizers of the RIF conference:

Good day,
The conference program announced the SECTION "Search Engine Optimization and Search Engine Marketing", at which speakers are scheduled to speak.
2007.rif.ru/materials/actions

*************
Leading:
Anton PROKOFIEV
(RBS)
')
Speakers:
Denis Razvalyayev (RBS)
Evgeny TROFIMENKO (RBS)
Sergey PASECHNIK (RBS)
Alexey POLYAKOV (RBS)
***************

Do I understand correctly that besides RBS there are no specialists in this field? Or are you ready to consider alternative candidates?

Why do you think only the people from RBS are declared? How do you feel about this? Whom do you suggest as experts?