Somers will be joining as marketing director and will report to Dominic Trigg, vice-president of search & directory.
He has more than 15 years' experience in senior marketing roles and most recently held positions in the telecoms, IT and new-media sectors for companies such as Marconi, Nynex and ADC.
Also joining is Graham Johnson as business development manager and Brad Ingram as business development account manager.
Johnson brings experience in media business development at companies such as Coca-Cola and ValueClick and will be spearheading the group's drive into new markets.
Ingram's role will ensure the continued management of the group's existing clients, with new-media experience from within the UK and abroad.
"The continued explosive growth of online search, our unique high value products and the strong and growing team that is now in place, heralds an exciting new chapter in our plans for growth in Europe," Trigg said.
InfoSpace employs approximately 600 people globally and comprises two divisions to provide internet search and directory services.
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