President
Daniel P. O'Reilly - Founder & President
Daniel O’Reilly originally founded the company in 2017 to provide middle market clients access to world-class Management Consulting talent without the substantial risk of low Return on Investment. Dan manages all of the company's global stakeholders and has worked with over 75 clients on nearly 200 projects, ranging across industries and functions.
For over 16 years, Dan has built collaborative relationships in Management Consulting and Financial Services. Prior to starting the company, Dan served as an Engagement Manager at A.T. Kearney in Chicago and as a Manager at Morgan Stanley in New York and Europe. Prior to leaving Morgan Stanley for business school, Dan served as a quantitative analyst working with the equity derivatives trading desk and led the effort for Business Process Outsourcing to Eastern Europe.
Dan earned his Bachelor of Science in Finance from University of Illinois Urbana-Champaign, where he was also an Evans Scholar, and his MBA from Yale School of Management.
Dan is active with the Western Golf Association Evans Scholar Foundation, where he serves as a member of the Leadership Council. He enjoys performing in stand-up comedy shows, playing golf, building & riding motorcycles, camping and spending time with his wife and four children.
Managing Director
Clint Simkins - Managing Director
Clint has over a decade of experience in strategic project management, operational improvement, pricing strategy, and contract management. As a driver of change who has spent the last several years of his career solving problems and improving efficiency, where Clint stands out from the pack is in his storytelling ability – taking raw inputs and data, knowing what questions to ask to drive insights, and delivering a plan to solve the issue at hand.
Prior to joining DPO&Co, Clint led several $100M+ projects for United Airlines, focused on improving operational efficiency through technology, process, and infrastructure upgrades. Before his time at United, Clint was a consultant at Navigant Consulting, where he was engaged in forensic accounting, IPO preparation, bank fraud investigation, and IP litigation work streams.
Clint earned his MBA from Northwestern University’s Kellogg School of Management, and his Bachelor of Science in Finance from the University of Notre Dame.
Residing in Chicago with his wife and four children, Clint is a passionate college football fan, loves discovering new music and podcasts, enjoys the challenges of real estate investing, and has mastered the 48-hour trip to Europe for a quick escape.
Director
Geoffrey Quint - Director
Geoffrey has over a decade of experience in strategy consulting, investment banking, and software development. His areas of focus cover complex project management, operational improvement, cost reduction, training development & execution, as well as mentoring & team development.
Prior to joining DPO&Co, Geoffrey rose through the ranks at Kearney (formerly A.T. Kearney) where he held the successive titles of Associate, Manager and Principal. Geoffrey’s project work spanned myriad industries, including Aerospace & Defense, Consumer Package Goods and Due Diligence assignments for Private Equity clients. Geoffrey was actively engaged in training delivery for both external clients and internally for Kearney’s own consultants. Prior to consulting, Geoffrey worked for a boutique investment bank in London helping companies raise money through the capital markets and spent his early career writing software for Goldman Sachs.
Geoffrey earned his Master of Science from Imperial College London where he double majored in Mathematics and Computer Science, and his MBA from The University of Chicago Booth School of Business.
Geoffrey enjoys learning foreign languages. After studying both French and German in high school, he started learning Spanish during the pandemic. He is a dedicated supporter of college football and endeavors to visit a new stadium every year. Geoffrey is an avid traveler, having visited 35+ countries on five continents.
Director
Brian Stumpf - Director
Brian Stumpf joined DPO&Co in 2020 to nourish his enthusiasm for guiding small and mid-size businesses. He enjoys working with management teams and investors to understand their vision, set a plan, and take action to create value. Brian typically manages operational improvement, post-close strategy, and due diligence projects.
For over a decade, Brian has managed teams in rapidly growing business lines, consistently exceeding goals. Prior to joining DPO&Co, Brian led a $500M medical distribution division through four years of expansion at a CAGR of 27% by mapping plans for the most profitable growth, pursuing strategic partnerships, and improving operational efficiency. Before this, Brian worked on the securitization desk at Bank of America.
Brian earned his Bachelor of Science in Finance from the University of Illinois at Urbana-Champaign, where he was an Evans Scholar. He earned his MBA at the University of Chicago Booth School of Business and internationally at the London Business School where courses were completed with High Distinction.
Brian enjoys coaching individuals who are working to gain control of their personal finances, is a member of the Evans Scholars Leadership Council, and volunteers with various community organizations. He relishes learning and new experiences and spent 2019 traveling and volunteering with his wife, Alexis. In his free time, Brian enjoys running, cycling, hiking, and camping. He lives in Chicago with his wife and their dog, Canvas.
Engagement Manager
Quinn Witsken - Engagement Manager
Quinn joined the firm in January 2022 as a first-year associate and was promoted to Engagement Manager in April 2024.
Quinn has about 5 years’ experience in both Engineering and Strategy Consulting. After interning at ExxonMobil, Siemens and US Bank, he spent several years at ExxonMobil maintaining and improving the mechanical integrity of the equipment at one of the largest Ethane Crackers in the world. He then spent a year as an Engineering consultant in the Oil & Gas sector, before pursuing a role at DPO&Co that focused more on the intersection between business strategy and finance.
Since joining the firm, Quinn has worked on six different projects ranging from a $50M+ procurement effort for a global industrial manufacturer, a market sizing and growth levers diligence for a $30M EBITDA player in the grocery space, and a post-close engagement of a regional PCBA manufacturer to begin identifying, prioritizing, and implementing the highest value growth initiatives.
Quinn graduated summa cum laude from Georgia Institute of Technology (Georgia Tech) with a Mechanical Engineering degree.
In his free time, Quinn enjoys beach volleyball, tennis, running, scuba diving, freediving, and spearfishing.
Associate
Vedant Ram - Associate
Vedant has a wide breadth of working experience across numerous industries, allowing him to pull learnings from a broad tool-kit. He started his career at ZS (formerly ZS Associates), where he spent two years working as an analyst across multiple projects including salesforce structure, territory mapping, incentive compensation plan design, and bolstering market research efforts. After ZS, Vedant worked under Steve Burd, the ex-CEO of Safeway, where he led the development of the algorithms and entire analytical platform, expanded the current product line by 50% to capture ~30% more value in savings, and managed multiple client relationships to drive positive engagement. Prior to joining DPO&Co. in December 2022, Vedant spent a summer at Meta as an MBA intern, leading a strategic initiative to standardize Meta’s internal-bug-reporting infrastructure across all of Meta’s product areas.
Vedant earned his Bachelor of Science in Industrial and Operations Engineering from the University of Michigan and his MBA from Cornell University.
Vedant enjoys immersing himself in different cultures, whether it be living in a new country or trying authentic cuisines. He is a staunch supporter of all Detroit sports, but above all prides himself with his beloved Wolverines.
Associate
Chris Tsevis - Associate
Chris joined DPO&Co in July 2021 as a first-year Analyst, was promoted to Senior Business Analyst in December 2022, and then to Associate in April 2024.
Throughout his tenure at DPO&Co, Chris has worked on over 30 different consulting projects, including a $100M+ procurement initiative for a global industrial manufacturer, a plethora of market dynamics and M&A strategy assessments in the home services, CPG, and manufacturing industries, and post-close operational process improvement and profitability assessments.
Chris is currently heavily involved in sourcing and executing transactions for DPO&Co Private Investing, and has helped drive the acquisition of one portfolio company in 2024.
Chris earned his B.A. in Economics with a concentration in Financial Economics & Econometrics from the University of Notre Dame.
In his free time, Chris is an avid Chicago sports fan, and enjoys skiing, experimenting with new recipes in the kitchen, playing in competitive basketball leagues and completing the full NYT crossword puzzle (not the Mini!) every day.
US Team
Associate
Sr. Business Analyst
Sr. Business Analyst
Vaanchitna Kalyanaraman
Sr. Business Analyst
Sr. Business Analyst
Sr. Business Analyst
Christian Nartker
Sr. Business Analyst
Sr. Business Analyst
Sr. Business Analyst
Regan Hultquist
Analyst
Analyst
Sr. Business Analyst
Kyle Stewart
Analyst
Analyst
Analyst
Tara Snapper
Analyst
Analyst
Analyst
Hector Leal
Analyst
Analyst
Analyst
Maddie Sullivan
Analyst
Analyst
Analyst
Henry Boudreau
Analyst
Analyst
Analyst
Ellie Sonne
Analyst
Analyst
Analyst
Colin Murray