Who We Are

Senior executives with extensive experience across a broad cross-section of industries. We offer sound, practical solutions to your business needs. Call today for value-added professional guidance.

Todd J. Marsteller, President


Todd MarstellerWith over 30 years of experience, Todd is a senior executive with proven expertise in strategic financial management and operational proficiency.  An effective leader with a strong track record of producing results, he is accomplished in broad-based financial management, mergers & acquisitions, capital structure, investments, ESOPs, banking, insurance and as a partner with other business owners.

Todd excels at helping companies improve financial management and maximize shareholder value. His clients have come to rely on his expertise and confidential services to guide them through complex decision-making.

Todd has been involved with numerous private equity transactions, sourcing, closing and divesting investments. As a General, Limited and Operating Partner, he ensured that the transaction structure as well as ongoing operations maximized value for investors. Todd has also assisted with raising millions of dollars in equity and debt capital.

His extensive financial management experience also includes structuring ESOP transactions and assisting clients with succession planning. His grasp of the intricacies involved in business sales and financial restructuring makes him a valuable, trusted partner.

Prior to forming Stellar Partners, Todd served in various leadership roles in privately held companies, including president, CFO, vice president of finance and administration, treasurer, secretary, controller and shareholder. Todd also served as an adjunct faculty member at Pennsylvania State University.

Todd serves on the Board of Managers and the Board of Directors for several for-profit entities and is involved in the local community as well.

Todd holds a B.S. in Commerce (Finance/Accounting) from the University of Virginia as well as an MBA from the University of Houston, and has passed the CPA and Certified Financial Planner examinations.

Helen S. Marsteller, Managing Director


Helen MarstellerA senior executive with over 25 years of experience, Helen has proven expertise in strategic financial management, strategic communications and as a business partner with the CEO and CFO. She is accomplished in communicating with the financial community, boards of directors, the media and internal stakeholders.

Helen’s clients rely on her extensive experience and expertise in broad-reaching investor relations, communications, and financial consulting. She has a proven record of developing solutions to business challenges, and in establishing the overall tone and strategy to motivate team members.

As a lead senior consultant to a varied client base, including healthcare, manufacturing, financial services, retail, construction, food services and transportation, her client list includes Fortune 500 companies as well as small family-owned enterprises.

Prior to launching her consulting practice in 2000, Helen was the Vice President of Investor Relations and Corporate Communications for York International Corporation, where she was one of eleven officers of this $4 billion Fortune 500 Company traded on the New York Stock Exchange. Prior thereto, she held increasingly responsible financial roles within York International, and financial roles at Honeywell, Hanover House Industries and Armco Steel Corporation. Helen also served as an adjunct faculty member at York College of Pennsylvania.

Helen was involved with the National Investor Relations Institute (NIRI) as a member of the Senior Roundtable, and NIRI’s Philadelphia and Virtual chapters; and a member of the Institute of Management Accountants. She has also served on the advisory board for several for-profit companies and gives back to her community and profession by serving on the board of directors of professional and non-profit organizations.

Helen attended Miami University, Oxford, OH and holds a B.S. in Accounting and an MBA from York College of Pennsylvania. She also passed the Certified Public Accountant exam.