David Lewis

Wildcard
DISC Type : csi

Founder at Sisu Investment Holdings

Greater Chicago Area, United States

Overview

David Lewis is the Founder and CEO of Sisu Investment Holdings, a firm focused on long-term acquisition and growth of high-quality businesses. His expertise spans private equity, operational turnarounds, and direct leadership in manufacturing and B2B services. He holds an M. B. A. from The University of Chicago Booth School of Business and a J. D. from Indiana University.

Deeply committed to civic engagement, David serves on the board of Ronald McDonald House Charities and is active with the Economic Club of Chicago and the Young Presidents Organization (YPO). He was recently honored as one of Chicago United’s 2025 Business Leaders of Color, reflecting his dedication to community leadership and professional growth.

Unique fact: In addition to leading his investment firm, David is also the President and CEO of Venus Wafers, an artisan cracker and snack food company.

Personality Overview

Curious But Skeptical

Friendly But Slow

ROI Driven

They typically tend to be late adopters even when they seem friendly and excited about what you have to sell  They are often friendly and nice, but can sometimes suprise you with their piercing questions  They are unlikely to ever become strong champions even when the conversations are going well; you should focus on cultivating other champions

Topics They Care About

Long-term Investing
His firm, Sisu Investment Holdings, focuses on acquiring businesses with the potential to compound value over decades, showing a clear preference for enduring growth.
Operational Turnarounds
Has extensive experience leading businesses through transformation and scaling operations, including a successful consolidation and turnaround strategy at Rubicon Technology.
Civic Leadership
Actively involved in multiple civic and professional organizations, including serving as a board member for Ronald McDonald House Charities of Chicagoland & Northwest Indiana.

Media Appearances

David has no verified media appearances

Work History

6-2020
Founder at Sisu Investment Holdings
Vice President at Rubicon Technology
Progressive Investing and Value-Adding Roles at Private Investors
MBA Associate at Loop Capital Markets
Law and Public Accounting at Government & Big 4

Education

Master of Business Administration (M.B.A.) from The University of Chicago Booth School of Business
Juris Doctor (J.D.) from Indiana University Maurer School of Law

More Information

Social Presence :

Prographics :

Exp : 5 Location : Greater Chicago Area, United States Job Level : Leadership Designation : Founder at Sisu Investment Holdings
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Insights For Selling To David

During A Call Or A Meeting

DO's

  • Invite them for a social do but don’t rely solely on the relationship
  • Focus on immediate action-items rather than the larger goals
  • Use phrases like ‘clear proof that’, ‘data shows’ etc.

DONT's

  • Don’t overhype the product/pitch, keep it measured
  • Don't ask them to move fast, let them take their time and digest all the information
  • Avoid phrases like ‘trust me’, ‘you will just love it’ etc.

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with David is

  • Clear proof of product value matters to them, followed by others' testimonials and rapport.
  • Will you ever get a clear answer from David

  • They are likely to give you a clear answer without taking you around in circles. However, if you share a good relationship, they might not be so forthcoming.

Insights For Deal Planning

    How fast (or slow) will David move?

  • They like to perform full analysis and can take time to make any decision.
  • Can David take some risk or not?

  • They weigh all decisions systematically and are unlikely to take many risks.

You And David

Personality Compatibility


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