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Jayni Kosoff


Jayni Kosoff

Managing Director

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Phone (Direct)

+1 415 ❅❅❅ ❅❅❅❅

Phone (Direct)


Phone (Mobile)

+1 917 ❅❅❅ ❅❅❅❅

Phone (Mobile)


Phone (HQ)

(646) 989-2200

Phone (HQ)


Office Address (HQ)

111 Wall St, Fl 14, New York City, New York, 10005, United States

Office Address (HQ)

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Work Biography for Jayni Kosoff, Yield Book

Jayni Kosoff works as a Managing Director at Yield Book, which is a Finance company with an estimated 139 employees; and founded in 1989., their management level is C-Level. Jayni graduated from UC Berkeley and is currently based in Los Angeles, United States. They used to work at Citi and Salomon Smith Barney and have used the following emails: ,,

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Previous Work Experience

2016 - 2020


Managing Director

1985 - 2017


Managing Director

1985 - 1996

Salomon Smith Barney

Vice President, Bond Portfolio Analysis

1983 - 1985

United Commercial Bank

Investment Accountant



UC Berkeley

Jayni's Workplace

Yield Book

The Yield Book, a wholly owned subsidiary of Citigroup, is a leading provider of fixed-income analytical and data products and solutions that combine market-tested models with power, versatility, and speed. We cover an extensive range of products, including governments, agencies, corporates, high yi...Read More

111 Wall St, Fl 14, New York City, New York, 10005, United States


$30.3 M


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Jayni’s company in the news


Trepp and Yield Book, An LSEG Business, Announce CLO Cashflow Data...

June 13, 2022

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In your first interaction

star Jayni is located in United States

star Jayni has been Managing Director in Yield Book for 8 years

star Carequality by Yield Book is used by 21 companies

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Frequently Asked Questions about Jayni Kosoff

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What company does Jayni Kosoff work for?

Jayni Kosoff works for Yield Book

What is Jayni Kosoff’s title in Yield Book?

Jayni Kosoff’s title in Yield Book is Managing Director

Where is Jayni Kosoff located?

Jayni's company headquarters are in New York City, New York

What is Jayni Kosoff’s headquarters phone number?

Jayni Kosoff’s headquarters phone number is (646) 989-2200

Where did Jayni Kosoff go to college?

Jayni's most recent academic degree is Bachelor, from UC Berkeley