Derek B. Seibert

VANGUARD ADVISERS

SCOTTSDALE, AZ

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CRD#: 6958824

Professional summary

Derek Bradley Seibert, who also goes by Derek B Seibert, Derek Seibert, is a registered financial advisor currently at VANGUARD ADVISERS, INC. located in Scottsdale, Arizona and VANGUARD MARKETING CORPORATION located in Scottsdale, Arizona.

Derek is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2018. Derek has worked at 4 firms and has passed the Series 66, SIE and Series 7 exams.

Aliases

Derek B Seibert | Derek Seibert

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Derek Bradley Seibert's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

July 22, 2026 - Present

VANGUARD ADVISERS, INC.

RIA

CRD#: 106715

SCOTTSDALE, AZ

Current

July 22, 2026 - Present

VANGUARD MARKETING CORPORATION

Office #1: 14321 N Northsight Blvd, Scottsdale, AZ 85260

CRD#: 7452

SCOTTSDALE, AZ

Past

February 18, 2022 - July 19, 2026

J.P. MORGAN SECURITIES LLC

RIA

CRD#: 79

Tempe, AZ

Past

February 18, 2022 - July 19, 2026

J.P. MORGAN SECURITIES LLC

CRD#: 79

Tempe, AZ

Past

April 23, 2019 - December 21, 2021

EDWARD JONES

RIA

CRD#: 250

TEMPE, AZ

Past

April 16, 2019 - December 21, 2021

EDWARD JONES

CRD#: 250

TEMPE, AZ

Past

August 6, 2018 - February 6, 2019

EDWARD JONES

RIA

CRD#: 250

WICHITA, KS

Past

July 17, 2018 - February 6, 2019

EDWARD JONES

CRD#: 250

WICHITA, KS

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".

VANGUARD ADVISERS, INC.

VANGUARD ADVISERS INC | VPAS VPFP VFS VANGUARD NAVIGATOR PLUS | VPAS VPFP VFS AMTS VANGUARD NAVIGATOR PLUS | VPAS VPFP VFS AMTS | VANGUARD ADVISERS, INC.

CRD#: 106715 / SEC#: 801-49601

RIA

Registered Investment Advisory firm - (7/28/1995 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR

means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR

Texas
(7/22/2026)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

State Security Law Exam

IAR

Series 66

Date: 8/3/2018

Uniform Combined State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 7/17/2018

General Securities Representative Examination

SRO Registrations

FINRA

Current Firm

VANGUARD ADVISERS, INC.

VANGUARD ADVISERS INC | VPAS VPFP VFS VANGUARD NAVIGATOR PLUS | VPAS VPFP VFS AMTS VANGUARD NAVIGATOR PLUS | VPAS VPFP VFS AMTS | VANGUARD ADVISERS, INC.

CRD#: 106715 / SEC#: 801-49601

RIA

Registered Investment Advisory firm - (7/28/1995 Approved)

PREMIUM

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Contact information

Main Address

100 Vanguard Blvd, Malvern, PA 19355

Mailing Address

Phone number

(610) 669-1000

Established

Firm type

Fiscal year end

# of Employees

2,225

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

VANGUARD MODEL PORTFOLIOS (2/2/2026)

VANGUARD PERSONAL ADVISOR SELECT (1/2/2026)

VANGUARD DIGITAL ADVISOR AND VANGUARD PERSONAL ADVISOR (1/2/2026)

VANGUARD SITUATIONAL ADVISOR BROCHURE (1/2/2026)

STABLE VALUE (9/29/2025)

VANGUARD MANAGED ACCOUNT PROGRAM AND PERSONAL ONLINE ADVISOR (9/29/2025)

Regulatory assets under management

Total Number of Accounts	698,843
AUM (Assets Under Management)	$ 300,434,933,763

Accountant surprise examination report

Filing Date	Form ADV-E Cover	Form ADV-E Report
07/24/2025	Cover Page	Report
10/23/2024	Cover Page	Report
06/28/2023	Cover Page	Report

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

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Advisor Monitoring

Firm Stability Insights

Derek B. Seibert

Professional summary

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Derek Bradley Seibert's CRS (Customer Relationship Summary).

Certified licenses

Experience

VANGUARD MARKETING CORPORATION

J.P. MORGAN SECURITIES LLC

J.P. MORGAN SECURITIES LLC

EDWARD JONES

EDWARD JONES

EDWARD JONES

EDWARD JONES

Primary Firm SEC Registration

VANGUARD ADVISERS, INC.

State Registrations and Notice Filings

Exams

Series 66

Date: 8/3/2018

SIE

Date: 10/1/2018

Series 7

Date: 7/17/2018

FINRA

Current Firm

VANGUARD ADVISERS, INC.

Contact information

SEC notice filing (53 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Accountant surprise examination report

Red Flags

Company Information

VANGUARD ADVISERS, INC.

TRUST BUT VERIFY

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