Galata Business Angels is a prominent platform of high net-worth individuals putting money into Turkish start-ups.

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In 2012, starting with Galata Business Angels, Angel Investors Networks were set up.

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She told them she would visit Galata Bridge, which spans Istanbul's Golden Horn waterway, to take photos.

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Jazz guitarist Onder Focan started the first jazz club in Pera, in the shadow of the Galata Tower, just 10 years ago.

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Turkish news reports said Ms. Sierra had arranged to meet the man on Galata Bridge, but he reportedly told police the meeting never took place.

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The time she last talked with her family, Sierra was planning on January 21 to see the Galata Bridge and visit the Asian side of Istanbul, her husband said.

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Sierra was in regular contact with friends and relatives during the trip and had told them she would visit Galata Bridge, which spans Istanbul's Golden Horn waterway, to take photos.

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