Jay Dirienzo
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Jay Dirienzo Email & Phone Number

Lead Portfolio Manager, Preferred Stock at National Investment Services
Location: Greater Milwaukee, United States 7 work roles 1 school
1 work email found @nisi.net LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@nisi.net
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Current company
National Investment Services
Role
Lead Portfolio Manager, Preferred Stock
Location
Greater Milwaukee, United States
Company size
42 employees

Who is Jay Dirienzo? Overview

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Quick answer

Jay Dirienzo is listed as Lead Portfolio Manager, Preferred Stock at National Investment Services, a with 42 employees, based in Greater Milwaukee, United States. AeroLeads shows a work email signal at nisi.net and a matched LinkedIn profile for Jay Dirienzo.

Jay Dirienzo previously worked as Assistant Portfolio Manager - Preferred Stock at National Investment Services and Fixed Income Analyst at National Investment Services, Inc.. Jay Dirienzo holds Bachelor'S Degree, Financial Management from University Of St. Thomas.

Company email context

Email format at National Investment Services

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{first_initial}{last}@nisi.net
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AeroLeads found 1 current-domain work email signal for Jay Dirienzo. Compare company email patterns before reaching out.

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Profile bio

About Jay Dirienzo

Jay Dirienzo is a Lead Portfolio Manager, Preferred Stock at National Investment Services. He possess expertise in powerpoint.

Listed skills include Powerpoint.

Current workplace

Jay Dirienzo's current company

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National Investment Services
National Investment Services
Lead Portfolio Manager, Preferred Stock
chicago, illinois, united states
Website
nisi.net
Employees
42
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Company profile
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7 roles

Jay Dirienzo work experience

A career timeline built from the work history available for this profile.

Administrative Associate

Sja Financial Advisory, Llc

Menomonee Falls, Wi

Jul 2015 - Sep 2015

Finance Tutor

University Of St. Thomas

Saint Paul, Minnesota

•Answered questions students had about the Financial Management, Corporate Finance, and Investments Finance courses. Also collaborated with other finance tutors to give the student the best answer.

Feb 2015 - May 2015

Investment Management Internship

Associated Bank

Greater Milwaukee Area

•Communicated with my manager and four other investment officers to perform various projects about client accounts, securities, and mutual funds. These projects entailed researching accounts, securities, and mutual funds to provide the best possible service to the client. •Gained experience using computer programs such as PortfolioMarc, Trust Desk, Morningstar, Bloomberg, and First Rate to gather the information needed for the projects.•Attended intern conference calls with the subjects of business etiquette, business writing, diversity in the workplace, time management, and career development. I was able to utilize the things learned in these calls in the workplace to further benefit myself as a person.

May 2014 - Aug 2014
Team & coworkers

Colleagues at National Investment Services

Other employees you can reach at nisi.net. View company contacts for 42 employees →

LH Larry Haslee Larry Haslee Colleague at National Investment ServicesThiensville, Wisconsin, United States View → JB Jason Berrie Jason Berrie Colleague at National Investment ServicesGreater Milwaukee, United States View → MS Mark Steen, Cfa Mark Steen, Cfa Colleague at National Investment ServicesMinneapolis, Minnesota, United States View → MJ Mark Johanson Mark Johanson Colleague at National Investment ServicesSan Francisco, California, United States View → JV John V. John V. Colleague at National Investment ServicesDenver, Colorado, United States View → BS Barbara Schalla Barbara Schalla Colleague at National Investment ServicesMilwaukee, Wisconsin, United States View → DG Dawn Giannini Dawn Giannini Colleague at National Investment ServicesMilwaukee, Wisconsin, United States View → RT Rick Tauber, Cfa Rick Tauber, Cfa Colleague at National Investment ServicesGreater Chicago Area, United States View → LH Larry Haslee Larry Haslee Colleague at National Investment ServicesMilwaukee, Wisconsin, United States View → KO Kyle Olson Kyle Olson Colleague at National Investment ServicesMilwaukee, Wisconsin, United States View →
1 education record

Jay Dirienzo education

FAQ

Frequently asked questions about Jay Dirienzo

Quick answers generated from the profile data available on this page.

What company does Jay Dirienzo work for?

Jay Dirienzo works for National Investment Services.

What is Jay Dirienzo's role at National Investment Services?

Jay Dirienzo is listed as Lead Portfolio Manager, Preferred Stock at National Investment Services.

What is Jay Dirienzo's email address?

AeroLeads has found 1 work email signal at @nisi.net for Jay Dirienzo at National Investment Services.

Where is Jay Dirienzo based?

Jay Dirienzo is based in Greater Milwaukee, United States while working with National Investment Services.

What companies has Jay Dirienzo worked for?

Jay Dirienzo has worked for National Investment Services, National Investment Services, Inc., Sja Financial Advisory, Llc, University Of St. Thomas, and Associated Bank.

Who are Jay Dirienzo's colleagues at National Investment Services?

Jay Dirienzo's colleagues at National Investment Services include Larry Haslee, Jason Berrie, Mark Steen, Cfa, Mark Johanson, and John V..

How can I contact Jay Dirienzo?

You can use AeroLeads to view verified contact signals for Jay Dirienzo at National Investment Services, including work email, phone, and LinkedIn data when available.

What schools did Jay Dirienzo attend?

Jay Dirienzo holds Bachelor'S Degree, Financial Management from University Of St. Thomas.

What skills is Jay Dirienzo known for?

Jay Dirienzo is listed with skills including Powerpoint.

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