Ruth Kossoff
Profile
Ms. Ruth Kossoff is Executive Assistant at Cornerstone Capital Management Holdings LLC where she is also a Senior Associate.
Prior to joining Cornerstone Capital Management Holdings in 2011, Ms. Kossoff was previously employed as Executive Assistant by MacKay Shields LLC, a Principal by M.D.
Sass Investors Services, Inc., and a Principal by Plessey, Inc.
Ms. Kossoff received her Bachelors degree in Music from Northwestern University and her Masters degree in Music from Yale University.
Former positions of Ruth Kossoff
| Companies | Position | End |
|---|---|---|
MacKay Shields LLC
 MacKay Shields LLC Investment ManagersFinance MacKay Shields LLC is a registered investment advisor headquartered in New York City. The original predecessor to the firm, MacKay-Shields Economics, was founded in 1938 as an economic consulting firm and it became MacKay Shields Financial Corp. (MSFC) in 1969. In 1984, MSFC was purchased by New York Life Insurance Co. (NYLIC). NYLIC established New York Life Investment Management Holdings LLC (NYLIM Holdings) in 1999 and transferred ownership of MSFC to NYLIM Holdings. In 1999, MSFC was converted to MacKay Shields LLC. The ownership, control and management of MacKay Shields did not change as a result of this conversion. The firm is wholly owned by NYLIM Holdings, which is wholly-owned by NYLIC. MacKay Shields provides discretionary investment management services primarily to institutional clients. The firm is a signatory of the United Nation Principles for Responsible Investment (UNPRI). | Corporate Officer/Principal | 2010-12-30 |
Plessey, Inc.
 Plessey, Inc. Electric UtilitiesUtilities Plessey, Inc. is a private company based in New York, NY. | Corporate Officer/Principal | - |
| M.D. Sass Investors Services, Inc. /TABS Business/ | Corporate Officer/Principal | - |
Cornerstone Capital Management Holdings LLC
 Cornerstone Capital Management Holdings LLC Investment ManagersFinance Founded in 2009, Cornerstone Capital Management Holdings LLC (CCMH) is a registered investment advisor located in New York City. The firm was originally formed as the Equity Investments Group division within New York Life Investment Management LLC. They were also known as Madison Square Investments LLC. Cornerstone Capital Management Holdings is a subsidiary of New York Life Investment Management Holdings LLC and their ultimate parent is New York Life Insurance Co. They were formerly known as Madison Square Investors LLC. CCMH provides a broad array of investment advisory services to institutions, pension and profit sharing plans, trusts and charitable organizations including foundations and non-profits, corporations and other business and government entities. They also provide advisory or sub-advisory services to trust companies, Taft-Hartley funds, private investment funds and a collective trust. The firm provides sub-advisory services to The MainStay Funds, a group of open-end funds sponsored and advised by their affiliate New York Life Investments. CCMH sponsors and provides advisory services to the Cornerstone Market Neutral Fund LLC, a private investment fund. | Analyst-Equity | - |
Training of Ruth Kossoff
| Northwestern University | Undergraduate Degree |
| Yale University | Graduate Degree |
Experiences
Positions held
Linked companies
| Private companies | 4 |
|---|---|
MacKay Shields LLC
MacKay Shields LLC Investment ManagersFinance MacKay Shields LLC is a registered investment advisor headquartered in New York City. The original predecessor to the firm, MacKay-Shields Economics, was founded in 1938 as an economic consulting firm and it became MacKay Shields Financial Corp. (MSFC) in 1969. In 1984, MSFC was purchased by New York Life Insurance Co. (NYLIC). NYLIC established New York Life Investment Management Holdings LLC (NYLIM Holdings) in 1999 and transferred ownership of MSFC to NYLIM Holdings. In 1999, MSFC was converted to MacKay Shields LLC. The ownership, control and management of MacKay Shields did not change as a result of this conversion. The firm is wholly owned by NYLIM Holdings, which is wholly-owned by NYLIC. MacKay Shields provides discretionary investment management services primarily to institutional clients. The firm is a signatory of the United Nation Principles for Responsible Investment (UNPRI). | Finance |
Plessey, Inc.
Plessey, Inc. Electric UtilitiesUtilities Plessey, Inc. is a private company based in New York, NY. | Utilities |
| M.D. Sass Investors Services, Inc. /TABS Business/ | Finance |
Cornerstone Capital Management Holdings LLC
Cornerstone Capital Management Holdings LLC Investment ManagersFinance Founded in 2009, Cornerstone Capital Management Holdings LLC (CCMH) is a registered investment advisor located in New York City. The firm was originally formed as the Equity Investments Group division within New York Life Investment Management LLC. They were also known as Madison Square Investments LLC. Cornerstone Capital Management Holdings is a subsidiary of New York Life Investment Management Holdings LLC and their ultimate parent is New York Life Insurance Co. They were formerly known as Madison Square Investors LLC. CCMH provides a broad array of investment advisory services to institutions, pension and profit sharing plans, trusts and charitable organizations including foundations and non-profits, corporations and other business and government entities. They also provide advisory or sub-advisory services to trust companies, Taft-Hartley funds, private investment funds and a collective trust. The firm provides sub-advisory services to The MainStay Funds, a group of open-end funds sponsored and advised by their affiliate New York Life Investments. CCMH sponsors and provides advisory services to the Cornerstone Market Neutral Fund LLC, a private investment fund. | Finance |
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