POWER OF ATTORNEY

     Know all by these presents that the undersigned hereby constitutes
and appoints each of Jennifer Ishiguro, John McGuinness, Jason Ment,
David Park and Johnny Randel, and any of their substitutes, signing
singly, as the undersigned's true and lawful attorney-in-fact to:

1. prepare, execute in the undersigned's name and on the undersigned's
behalf, and submit to the U.S. Securities and Exchange Commission
(the "SEC") a Form ID, including amendments thereto, and any other
document necessary or appropriate to obtain codes, passwords, and
passphrases enabling the undersigned to make electronic filings with
the SEC of reports require by the Securities Exchange Act of 1934 or
any rule or regulation of the SEC;

2. execute for and on behalf of the undersigned, in the undersigned's
capacity as a director and/or officer of StepStone Group Inc. (the
"Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

3. do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Form 3, 4, or 5, complete and execute any amendment or amendments
thereto, and timely file such form with the SEC and any securities
exchange or similar authority; and

4. take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of
benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.

     The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise of
any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with
full power of substitution or revocation, hereby ratifying and confirming
all that each such attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this power
of attorney and the rights and powers herein granted.  The undersigned
also ratifies hereby any action previously taken by each attorney-in-fact
that would have been authorized by this power of attorney if it has been
in effect at the time such action was taken.  The undersigned
acknowledges that each attorney-in-fact, in serving in such capacity at the
request of the undersigned, is not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934, as amended.

     This Power of Attorney shall remain in full force and effect until the
earliest to occur of (a) undersigned is no longer required to file Forms 3,
4, and 5 with respect to the undersigned's holdings of and transactions in
securities issued by the Company, (b) revocation by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact or (c) as to any
attorney-in-fact individually, until such attorney-in-fact is no longer
employed by the Company or its subsidiaries.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of August 8, 2020.



/s/ Steven R. Mitchell