Sales Excellence, Inc. is guided by founder and president Bill Stinnett and a team of recognized experts in the field of sales and sales management. Our team, located throughout the world, is committed to providing high-quality, custom-tailored solutions that improve sales organizations.

Bill Stinnett
President and Founder

Bill Stinnett is president and founder of Sales Excellence, Inc, a global training and consulting organization helping companies of all sizes grow their client bases, increase revenues, and keep more profits.

Bill began his career in retail sales, spent several years in direct sales to private consumers, and ultimately moved into corporate sales to Fortune 1000 customers. For over 20 years Bill has specialized in the sale of high-technology solutions and complex sales. He has held sales and sales management positions with some of the world’s largest technology solutions companies including Computer Associates, Pilot Software, and J.D. Edwards Company.


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Bill Stinnett
Paul Sullivan

Paul R. Sullivan
Partner, Sales Excellence, Inc.

Paul R. Sullivan has over 35 years of experience in business development consulting and education having developed and presented programs on sales, marketing, and global leadership in over 50 countries on six continents. Paul has earned an international reputation as an authority on developing global business and has helped companies build “capture teams” to win multi-million-dollar infrastructure projects throughout the world. He specializes in creating global account programs, coaching global account teams, and winning global contracts.


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Marco Wunderlich
Managing Director, Sales Excellence Germany

Marco Wunderlich has over 15 years of experience in the B2B sales of high stakes financial services and was a highly successful sales manager for a large investment company. Today, he continues to move millions in asset management products and provides consult for institutional investors. With a career that started in banking and moved to fund management he ultimately peaked in sales. Marco possesses an extraordinary combination of profound numerical (statistical and financial) knowledge as well as communication skills. After completing his business administration degree, he earned his MBA at the Chicago Booth School of Business, where he is an active alumnus and contributes articles and case study data for on-going research projects.

Cesar Dulong
Managing Director, Sales Excellence Latinoamérica

Cesar Dulong is a veteran of the IT industry, selling applications for financial planning and budgeting. He is known for his fluency in C-Level business conversations related specifically to solving business challenges using Enterprise Performance Management technologies. Cesar has worked with companies such as CIS Corporate (now Intellego), SAP Mexico and Oracle Mexico and sold to some of the largest companies in Latin America in Telcos, CPG, Financial services. He has been recognized for his sales performance several times throughout his career.

Cesar holds a degree in Economics from the University of Lima-Peru and a degree in Finance from TEC Monterrey- Ciudad de Mexico. He currently resides in Mexico City.

Michael Song
Managing Director, Sales Excellence China

Michael Song is the Managing Director of Sales Excellence China and is a highly-accomplished sales and business management professional specializing in international business development. Michael is an expert in sales and marketing, business planning, and management as well as negotiations between Western and Asian companies. Originally from China, he has worked and lived in China, Japan, Malaysia, and Australia. Michael is fluent in Chinese, Japanese, and English and has won awards for his mastery of the Japanese language.

Mr. Song has worked with an impressive array of global companies including Sharp, Mitsubishi, Hitachi, Canon, Bosch, Honda, Apple, Walmart, Bank of China(HK), and HP helping them to establish and expand their businesses throughout Asia. Most recently, Michael founded FYSCO Consulting Ltd., a sales and management consulting firm. Prior to that he held leadership positions with Dell Corporation and SONY.

Mr. Song holds a Business Administration degree from University of Tsukuba and an MBA from Victoria University. He currently serves as a guest professor at The Open University of China, where he teaches Business English and Japanese. He lives with his wife and daughter in Shenzhen, China.

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