Jason Stephens
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Jason Stephens Email & Phone Number

Portfolio Manager and Chief Executive Officer at Oncospace, Inc.
Location: Madison, Wisconsin, United States 4 work roles 4 schools
1 work email found @thompsoninvest.com 1 phone found area 608 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email j****@thompsoninvest.com
Direct phone (608) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Portfolio Manager and Chief Executive Officer
Location
Madison, Wisconsin, United States
Company size

Who is Jason Stephens? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Jason Stephens is listed as Portfolio Manager and Chief Executive Officer at Oncospace, Inc., a company with 10 employees, based in Madison, Wisconsin, United States. AeroLeads shows a work email signal at thompsoninvest.com, phone signal with area code 608, and a matched LinkedIn profile for Jason Stephens.

Jason Stephens previously worked as Portfolio Manager and Chief Executive Officer at Thompson Investment Management, Inc. And Thompsonim Funds, Inc. and Board Member at Oncospace, Inc.. Jason Stephens holds Ms, Finance from University Of Wisconsin-Madison.

Company email context

Email format at Oncospace, Inc.

This section adds company-level context without repeating Jason Stephens's masked contact details.

{first}{last}@thompsoninvest.com
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AeroLeads found 1 current-domain work email signal for Jason Stephens. Compare company email patterns before reaching out.

Profile bio

About Jason Stephens

Experienced Portfolio Manager with a demonstrated history of working in the investment management industry.

Listed skills include Portfolio Management, Financial Analysis, Investment Management, Mutual Funds, and 17 others.

Current workplace

Jason Stephens's current company

Company context helps verify the profile and gives searchers a useful next step.

Oncospace, Inc.
Oncospace, Inc.
Portfolio Manager and Chief Executive Officer
baltimore, maryland, united states
Website
Employees
10
AeroLeads page
4 roles

Jason Stephens work experience

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

Portfolio Manager And Chief Executive Officer

Current
Thompson Investment Management, Inc. And Thompsonim Funds, Inc.

Manage portfolios of stocks and bonds for high net worth individuals, non-profit and for-profit corporations and foundations. Co-manager of the Thompson Bond Fund, Thompson MidCap Fund and Thompson LargeCap Fund.

Mar 2015 - Present

Portfolio Manager And Chief Operating Officer

Thompson Investment Management, Inc.

Manage portfolios of stocks and bonds for high net worth individuals, non-profit and for-profit corporations and foundations. Co-manager of the Thompson MidCap Fund. Named COO in 2009. Named Co-manager of the Thompson LargeCap and Bond Funds in March, 2009.

Jul 2007 - Mar 2015

Analyst

Thompson Investment Management, Inc.

I researched stocks for inclusion in client portfolios. Thompson, Plumb & Associates reorganized in December of 2003, and Thompson Investment Management, Inc. was formed. I managed the reorganization for my half of the firm, and served as temporary Chief Compliance Officer until a full time replacement could be identified.

Jun 2003 - Jun 2007
Team & coworkers

Colleagues at Oncospace, Inc.

Other employees you can reach at oncospace.com. View company contacts for 10 employees →

4 education records

Jason Stephens education

Bs, English, Communication Arts

Activities and Societies: Director of the Wisconsin Union Directorate Film Committee '95-'96

Education record

Madison East High
FAQ

Frequently asked questions about Jason Stephens

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

What company does Jason Stephens work for?

Jason Stephens works for Oncospace, Inc..

What is Jason Stephens's role at Oncospace, Inc.?

Jason Stephens is listed as Portfolio Manager and Chief Executive Officer at Oncospace, Inc..

What is Jason Stephens's email address?

AeroLeads has found 1 work email signal at @thompsoninvest.com for Jason Stephens at Oncospace, Inc..

What is Jason Stephens's phone number?

AeroLeads has found 1 phone signal(s) with area code 608 for Jason Stephens at Oncospace, Inc..

Where is Jason Stephens based?

Jason Stephens is based in Madison, Wisconsin, United States while working with Oncospace, Inc..

What companies has Jason Stephens worked for?

Jason Stephens has worked for Thompson Investment Management, Inc. And Thompsonim Funds, Inc., Oncospace, Inc., and Thompson Investment Management, Inc..

Who are Jason Stephens's colleagues at Oncospace, Inc.?

Jason Stephens's colleagues at Oncospace, Inc. include Pranav Lakshminarayanan, David Murray, and Todd Deterding.

How can I contact Jason Stephens?

You can use AeroLeads to view verified contact signals for Jason Stephens at Oncospace, Inc., including work email, phone, and LinkedIn data when available.

What schools did Jason Stephens attend?

Jason Stephens holds Ms, Finance from University Of Wisconsin-Madison.

What skills is Jason Stephens known for?

Jason Stephens is listed with skills including Portfolio Management, Financial Analysis, Investment Management, Mutual Funds, Trading, Strategic Planning, Nonprofits, and Fundraising.

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