The number of active speakers may be substantially smaller.

McCallie is an active speaker within the community and for women's athletics.

He has been an active speaker notably in the nuclear world to encourage the successful development of difficult projects that are necessary.

In addition, Erik is an active speaker on the lecture circuit.

She also wrote numerous articles in education journals and was an active public speaker.

Gordon also became an active public speaker on the topic of privacy rights.

She is a very active speaker throughout Brazil and abroad.

Cunningham continues to be an active international speaker, with engagements in 30 to 40 nations every year.

Bock was also an active public speaker having experience in radio and television.

Burns is also an active speaker on the lecture circuit.