Get instant pricing for the report you need.  Get Started

Our Core Values

Management Team

Thought leaders in business valuation

Shelia Darby, Managing Director of BizWorth

Shelia Darby

Managing Director, BizWorth

Serves as the managing director of BizWorth. Shelia's valuation experience spans nearly 25 years. The focus of her recent work has been on litigation engagements. Shelia is an elected member of the Ethics & Oversight Board of NACVA. Shelia is a Certified Valuation Analyst (CVA), Certified Master Analyst in Financial Forensics (MAFF) and a Certified Machinery and Equipment Appraiser (CMEA). She holds a bachelor's degree in finance from Baylor University and an MBA from Rice University.

Jon Donnel, Managing Director of Advisory at BizWorth

Jon Donnel

Managing Director, Valuation Advisory

Leads the Valuation Advisory Practice focused on complex valuations, loss profit calculations, partner buy-outs and disputes. Jon has held senior-level director positions for Fortune 50 companies and investment banks. He is a Certified Valuation Analyst (CVA) and holds a bachelor’s degree in economics and an MBA from Rice University.

Robert Brand

Director, Business Valuation

Leads BizWorth’s informational and certified business valuation practice. Robert is an officer of NACVA's Houston State Chapter and serves as the treasurer of Houston's Texas Association of Business Brokers. He is a Certified Valuation Analyst (CVA). Robert is a former Combat Engineer serving in Iraq for the U.S. Army and holds a bachelor's degree in finance from University of Houston.

Renee Schreier

Director of Operations

Manages BizWorth's operations and strategic planning initiatives, report production and customer applications. Renee serves as the secretary of Houston's Texas Association of Business Brokers and was a former operations administrator with Accenture. She holds a bachelor’s degree from Texas Lutheran University.

Joseph (Joey) Wilson

Senior Market Analyst

Leads BizWorth's industry and market research initiatives. Joey was a former production analyst with Scotiabank. He holds a BBA and Master of Finance degrees from the University of Oklahoma.

Dan Darby

Director of Pitch Books & CIMs

Leads Pitch Book and CIM report production. Former management consultant with several Big 5 and Fortune 50 companies. Holds a bachelor’s degree in Business Administration from Baylor University and a Master of Science in Organizational Leadership from Northwestern University.

Shelia Darby
Managing Director, BizWorth
Serves as the managing director of BizWorth. Shelia's valuation experience spans nearly 25 years. The focus of her recent work has been on litigation engagements. Shelia is an elected member of the Ethics & Oversight Board of NACVA. Shelia is a Certified Valuation Analyst (CVA), Certified Master Analyst in Financial Forensics (MAFF) and an Equipment Certified Appraiser (ECA). She holds a bachelor's degree in finance from Baylor University and an MBA from Rice University.
Jon Donnel
Managing Director, Valuation Advisory
Leads the Valuation Advisory Practice focused on complex valuations, loss profit calculations, partner buy-outs and disputes. Jon has held senior-level director positions for Fortune 50 companies and investment banks. He is a Certified Valuation Analyst (CVA) and holds a bachelor’s degree in economics and an MBA from Rice University.
Shelia Darby
Managing Director, BizWorth

Serves as the managing director of BizWorth. Shelia's valuation experience spans nearly 25 years. The focus of her recent work has been on litigation engagements. Shelia is an elected member of the Ethics & Oversight Board of NACVA. Shelia is a Certified Valuation Analyst (CVA), Certified Master Analyst in Financial Forensics (MAFF) and an Equipment Certified Appraiser (ECA). She holds a bachelor's degree in finance from Baylor University and an MBA from Rice University.

Jon Donnel
Managing Director, Valuation Advisory

Leads the Valuation Advisory Practice focused on complex valuations, loss profit calculations, partner buy-outs and disputes. Jon has held senior-level director positions for Fortune 50 companies and investment banks. He is a Certified Valuation Analyst (CVA) and holds a bachelor’s degree in economics and an MBA from Rice University.

Robert Brand
Director, Business Valuation

Leads BizWorth’s informational and certified business valuation practice. Robert is an officer of NACVA's Houston State Chapter and serves as the treasurer of Houston's Texas Association of Business Brokers. He is a Certified Valuation Analyst (CVA). Robert is a former Combat Engineer serving in Iraq for the U.S. Army and holds a bachelor's degree in finance from University of Houston.

Renee Schreier
Director of Operations

Manages BizWorth's operations and strategic planning initiatives, report production and customer applications. Renee serves as the secretary of Houston's Texas Association of Business Brokers and was a former operations administrator with Accenture. She holds a bachelor’s degree from Texas Lutheran University.

Joseph (Joey) Wilson
Senior Market Analyst

Leads BizWorth's industry and market research initiatives. Joey was a former production analyst with Scotiabank. He is a NACVA Certified Valuation Analyst (CVA) holds a BBA and Master of Finance degrees from the University of Oklahoma.

Dan Darby
Director of Pitch Books & CIMs

Leads Pitch Book and CIM report production. Former management consultant with several Big 5 and Fortune 50 companies. Holds a bachelor’s degree in Business Administration from Baylor University and a Master of Science in Organizational Leadership from Northwestern University.

Jack Nielsen
Financial Analyst

Leads financial analysis to support preparation of valuation reports and pitch books. Holds a Bachelor of Science in Economics from Texas A&M University.

Weston Tschirhart
Certified Machinery & Equipment Appraiser

Mr. Tschirhart is a certified machinery and equipment appraiser at BizWorth. Specializing in over 10 years of agricultural, industrial and restaurant machinery and equipment, Mr. Tschirhart’s expertise ensures accurate and reliable assessments for clients across various industries and locations throughout the country. A proud graduate of the University of Texas at San Antonio (UTSA), Weston's analytical prowess and commitment to excellence make him a valuable asset in providing comprehensive and accurate machinery and equipment appraisals to clients from coast to coast.

Join the
BizWorth Team

More flexibility to be amazing at work and at home

A man in business casual attire
A lady in business attire talking on the phone
A lady in business attire
A man in business attire

Blog

Resources

How to Prepare for an Annual Business Appraisal

Discover how an annual business appraisal strengthens your bids for federal, state, and local contracts by proving financial stability.

Read More
Resources

How to Value a Business: Part 1 - The Income Approach

Explore the Income Approach to business valuation using the Capitalization of Earnings method. Learn how to accurately value your business based on future earnings.

Read More
Resources

Market Approach: The Best Kept Secret in Business Valuation!

Explore the Market Approach to business valuation. Learn how to value your company using real transaction data and discover when this method is most effective.

Read More
Resources

Discover the Key Methods to Business Valuation – Start Here!

Discover key methods to value your business with the Asset, Income, and Market approaches. Learn how to determine your company's true worth and get started today.

Read More

News & Press Releases

Shelia Darby Named President of NACVA – Houston Chapter

BizWorth is pleased to announce that managing director Shelia Darby, MBA, CVA, MAFF, is the newly appointed President of the National Association of Certified Valuators

Read More

NACVA Names Shelia Darby to its Ethics Oversight Board

The National Association of Certified Valuators and Analysts® (NACVA®), the organization that has trained over 35,000 CPAs and other valuation and consulting professionals in the...

Read More

When you need to know what a business is worth, certified matters.

Get your report in just a few clicks

Get Started