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RIA / WealthAdvisordual registered (broker-dealer)21 years in industry

MARK DANIEL LECHOWICZ

Advisor at LPL FINANCIAL LLC

HUNTLEY, IL | CRYSTAL LAKE, IL

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Search this name across graphsid dfx:ria:442d970b-1a1a-8b9d-4474-8a95373bec44

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 6:02 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Sep 21, 2005 to Sep 15, 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: LPL FINANCIAL 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 20, 2005earliest registration or exam on IAPD
Years in industry: 21derivedfrom the industry start date
Years at current firm: 7derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Exams: S66
First exam: Sep 20, 2005
First registration: Sep 21, 2005
Dual registered: yes, broker-dealer
Other names: MARK D LECHOWICZ
IAPD individual key: 4971396

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
LPL FINANCIAL LLC	Bd affiliated wealth	Oct 25, 2018	n/a	yes	CRYSTAL LAKE, IL\|HUNTLEY, IL	Current employment
CETERA ADVISOR NETWORKS LLC	Former SEC adviser	Oct 6, 2010	Oct 23, 2018	no	CRYSTAL LAKE, IL	Previous registration
INVESTMENT ADVISORS INTERNATIONAL, INC.	n/a	May 28, 2010	Oct 6, 2010	no	HOFFMAN ESTATES, IL	Previous registration
AMERIPRISE FINANCIAL SERVICES, LLC	National bd RIA	Sep 21, 2005	Mar 1, 2007	no	CHICAGO, IL\|ROSEMONT, IL	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
CETERA ADVISOR NETWORKS LLC	LPL FINANCIAL LLC	Oct 23, 2018	Oct 25, 2018	2	Bulk transfer	Ibd to RIA
INVESTMENT ADVISORS INTERNATIONAL, INC.	CETERA ADVISOR NETWORKS LLC	Oct 6, 2010	Oct 6, 2010	0	Firm change	Other
AMERIPRISE FINANCIAL SERVICES, LLC	INVESTMENT ADVISORS INTERNATIONAL, INC.	Mar 1, 2007	May 28, 2010	1,184	Firm change after gap	Other

Relationships

Registered with (4)

→ LPL FINANCIAL LLCRegistered adviserregistration: current employment
Oct 25, 2018 to presentfactForm ADV
→ CETERA ADVISOR NETWORKS LLCRegistered adviserregistration: previous registration
Oct 6, 2010 to Oct 23, 2018factForm ADV
→ INVESTMENT ADVISORS INTERNATIONAL, INC.Registered adviserregistration: previous registration
May 28, 2010 to Oct 6, 2010factForm ADV
→ AMERIPRISE FINANCIAL SERVICES, LLCRegistered adviserregistration: previous registration
Sep 21, 2005 to Mar 1, 2007factForm ADV

Dated events

No dated event names this entity yet.