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RIA / WealthAdvisorCertified Financial Planner|Chartered Financial Consultantdual registered (broker-dealer)25 years in industry

DONALD THOMAS MARCHESIELLO

Advisor at NATIONWIDE INVESTMENT ADVISORS, LLC

COLUMBUS, OH

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Search this name across graphsid dfx:ria:e93e42f7-b2f7-98a0-0ab5-0998f13b108a

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 3:17 AM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 1
On other graphs: 0
Observed: Sep 28, 2000 to Sep 14, 2026

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current firm: NATIONWIDE INVESTMENT ADVISORS, LLC
Current firm class: broker-dealer affiliated wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Sep 28, 2000earliest registration or exam on IAPD
Years in industry: 25derivedfrom the industry start date
Years at current firm: 4derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 1
Designations: Certified Financial Planner|Chartered Financial Consultant
Exams: S63|S65
First exam: Jul 26, 2005
First registration: Sep 28, 2000
Dual registered: yes, broker-dealer
Other names: DON T MARCHESIELLO
IAPD individual key: 4524381

Registration history

registration spans on IAPD; the basis says whether the span is a current registration or a prior employment record

Firm	Class	Began	Ended	Current	Branch	Basis
NATIONWIDE INVESTMENT ADVISORS, LLC	Bd affiliated wealth	Jun 21, 2022	n/a	yes	COLUMBUS, OH	Current employment
VANGUARD ADVISERS, INC.	Bd affiliated wealth	Apr 20, 2020	Mar 10, 2022	no	Malvern, PA	Previous registration
CITIGROUP GLOBAL MARKETS INC.	Bd affiliated wealth	Sep 27, 2010	Jun 20, 2019	no	WILMINGTON, DE\|Stamford, CT\|NEW YORK, NY\|WILMINGTON, DE\|Stamford, CT\|WILMINGTON, DE\|Wilmington, DE	Previous registration
LOCKWOOD FINANCIAL SERVICES, INC.	n/a	Jul 19, 2006	Jul 20, 2006	no	MALVERN, PA	Previous registration
BNY MELLON ADVISORS, INC.	Bank affiliated wealth	Sep 28, 2000	Jan 20, 2010	no	NEW YORK, NY\|MALVERN, PA	Previous registration

Moves

a move is two registration dates; a bulk corporate re-registration is typed BULK_TRANSFER and is not a move

From	To	Left	Joined	Gap, days	Kind	Move type
VANGUARD ADVISERS, INC.	NATIONWIDE INVESTMENT ADVISORS, LLC	Mar 10, 2022	Jun 21, 2022	103	Firm change	Ibd to ibd
CITIGROUP GLOBAL MARKETS INC.	VANGUARD ADVISERS, INC.	Jun 20, 2019	Apr 20, 2020	305	Firm change	Ibd to ibd
BNY MELLON ADVISORS, INC.	LOCKWOOD FINANCIAL SERVICES, INC.	Jan 20, 2010	Jul 19, 2006	-1,281	Firm change after gap	Other
LOCKWOOD FINANCIAL SERVICES, INC.	CITIGROUP GLOBAL MARKETS INC.	Jul 20, 2006	Sep 27, 2010	1,530	Firm change after gap	Other

Relationships

Registered with (5)

→ NATIONWIDE INVESTMENT ADVISORS, LLCRegistered adviserregistration: current employment
Jun 21, 2022 to presentfactForm ADV
→ VANGUARD ADVISERS, INC.Registered adviserregistration: previous registration
Apr 20, 2020 to Mar 10, 2022factForm ADV
→ CITIGROUP GLOBAL MARKETS INC.Registered adviserregistration: previous registration
Sep 27, 2010 to Jun 20, 2019factForm ADV
→ BNY MELLON ADVISORS, INC.Registered adviserregistration: previous registration
Sep 28, 2000 to Jan 20, 2010factForm ADV
→ LOCKWOOD FINANCIAL SERVICES, INC.Registered adviserregistration: previous registration
Jul 19, 2006 to Jul 20, 2006factForm ADV

Dated events

Occurred
Mar 10, 2022
Advisor changed firm
Donald Thomas Marchesiello left Vanguard Advisers, Inc. for Nationwide Investment Advisors, Llc (registered 2022-06-21)
Form ADVobserved 6 days ago