Matthew Ziehl

Founded in 2001, Guardian Investor Services LLC (GIS) is an investment advisor located in New York City. The firm is the successor to Guardian Investor Services Corp., a New York corporation that was founded in 1968. The firm provides institutional asset management services to both taxable and tax exempt entities. They also offer a variety of investment management services to clients in the insurance industry. GIS is the distributor of mutual funds and variable annuities. Annuities are issued by The Guardian Insurance & Annuity Co., Inc., (GIAC) a Delaware corporation. Both GIS and GIAC are wholly-owned subsidiaries of the Guardian Life Insurance Company of America, one of the largest mutual life insurance companies in the US. GIS primarily provides services to investment companies and corporations.

RS Investment Management Co. LLC (also known as RS Investments) is an investment advisor and mutual fund manager headquartered in San Francisco, California. Founded in 1986, the firm was acquired by Victory Capital Management, Inc. from The Guardian Life Insurance Co. of America in July 2016. They operate as an independent franchise within Victory Capital's multi-boutique model. Each of the teams within the RS franchise continues to operate autonomously. RS Investments provides investment advisory services to mutual funds, institutions, private pooled investment vehicles, and high net-worth individuals.

OppenheimerFunds, Inc. provides investment advice. The company was founded in 1959 and is headquartered in New York, NY.

Founded in 1974, OFI Global Institutional, Inc. is a SEC-registered investment advisor headquartered in New York City. The firm is also a commodity pool operator and commodity trading advisor registered with the U.S. Commodity Futures Trading Commission and the National Futures Association. OFI Global Institutional is a wholly-owned subsidiary of OppenheimerFunds, Inc. (OFI), which, in turn, is a wholly-owned subsidiary of Oppenheimer Acquisition Corp. (OAC). Massachusetts Mutual Life Insurance Co. (MassMutual), through its subsidiary, is the indirect primary shareholder of OAC. The firm provides investment advisory services to various types of clients, including trusts, pension plans, insurance company separate accounts, foundations, corporations, ERISA qualified retirement plans, governmental plans, foreign entities (including governmental entities, corporations, investment companies and pension plans), mutual funds, private funds, and bank sponsored collective investment trusts.

Invesco Advisers, Inc. is a SEC-registered investment advisor headquartered in Atlanta, Georgia. They are a subsidiary of Invesco Group Services, Inc., ultimately held by Invesco Ltd. (NYSE: IVZ). The firm was founded in 1986 and previously known as Invesco Institutional NA, Inc. until April 2010 when Invesco Ltd. consolidated the businesses of their US investment advisors (Invesco AIM Advisors, Inc., Invesco AIM Capital Management, Inc., Invesco AIM Private Asset Management, Inc. and Invesco Global Asset Management NA, Inc.) under the name Invesco Advisers, Inc. They provide discretionary and non-discretionary investment advisory services to individuals, institutional and high net-worth clients through separate accounts, wrap fee programs and US registered investment companies and other Commingled Funds.