Faculty and Staff

All faculty members have excellent academic credentials and significant business experience in sales and marketing. At the present time, our instructors teach seven different classes in multiple sections to accommodate the programs rapid growth. The faculty has deep expertise in marketing, sales, finance, communications, sales technology, leadership, organization development, strategic planning, consulting and general management.

Faculty and Staff


Manager of Student and Alumni Engagement

MaryAnn has a passion for connecting others to resources- both human and practical- and enjoys doing so through her role as the program Manager for Student and Alumni Engagement. She serves as an advocate to help students navigate Sales Leadership courses and events, provides sales specific mock interview and resume practices, and passes along career and internship opportunities.

Originally from tropical Northeast Iowa, MaryAnn brings an abundance of Higher Education/Student Affairs experience to the Center with a Masters in College Student Personnel from the University of Tennessee...

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Program Partner Director

Deirdre brings over thirteen successful years in sales to her position. She has worked in the telecommunications industry in distribution and in marketing services. Her passion for sales and marketing brought her to the Center for Sales Leadership where her knowledge of the corporate world has helped shape her position.

Deirdre has her B.A. degree from DePaul University in International Business and Marketing and is currently working on a master’s degree in Marketing Analytic's.

Contact Deirdre at deirdre.laverdiere@depaul.edu


CSL Executive Director and Associate Professor

Business Experience: Healthcare/Medical Device, Consulting, Automotive and Consumer Goods. Lecture Topics: Strategy, Sales Effectiveness, Sales Process, Communication, Coaching, and CRM/Sales Technology


CSL Co-Founder and Adjunct Professor

From entrepreneurial ventures to Fortune 500 companies, Clancy Ryan has earned the reputation as a leader and innovator in sales, finance and technology. Clancy currently serves as Chief Revenue Officer for Punchkick Interactive after many years as the Vice President of Sales for the publicly traded firm Glu Mobile. During his career, he has managed sales teams...


CSL Co-Founder and Executive In Residence

Business Experience: P&G, Polaroid, Ocean Spray, Quaker Oats, Glendinning Consulting

Lecture Topics: CRM Effectiveness, Category Management, Consumer Motivation, Household Management


CSL Co- Founder and Director of Curriculum

D. Joel Whalen teaches at DePaul University’s Center for Sales Leadership. 20 brilliant DePaul University instructors teach his Effective Business Communication class. Joel has received business and teaching awards. He wrote Professional Communications Toolkit (Sage, 2006) and 4-Second PowerPoint Slides (Spenser & McGee, 2015). He teaches online at Hit-Play.net.

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Welcome new adjunct Dennis Spahr, teaching MKT 383 Analytical Sales

In his role as an Adjunct Professor, Dennis Spahr brings over thirty years of sales effectiveness consulting and hands-on B-to-B sales experience to his students at DePaul University’s Driehaus College of Business and Kellstadt Graduate School of Business.

At DePaul, Dennis teaches Analytical Sales and Monetizing Marketing Strategy. His approach to teaching is informal yet engaging, with a focus on student participation and applying the course concepts to “real-world” situations. He works with corporate partners on classroom and case work for the students and acts as a career coach and mentor to the students as well. He brings his passion for personal growth and learning to the classroom.

In addition to his role with DePaul, Dennis consults with companies on sales strategy, channel selection, sales organization and sales role design, and sales compensation. In his twenty-plus years of consulting with The Alexander Group, Willis Towers Watson, Mercer, Sibson Consulting and his own firm, Dennis has worked with hundreds of sales organizations across multiple industries including Business-to-Business, Chemicals/Plastics, General Manufacturing, Insurance (Health, P&C, Life), Technology, Media & Entertainment, Medical Devices, Pharmaceuticals, Professional Services, Software, and Professional Sports Leagues.

Prior to consulting, Dennis spent ten years in sales and business development roles in the chemical and automotive industries with Dow Corning and AlliedSignal.

Dennis is a highly rated speaker and author of over one hundred speeches and articles on sales compensation and sales performance topics. His articles have appeared in publications that include Sales & Marketing Management, SellingPower and WorldatWork’s Workspan. He has been a speaker or guest lecturer at professional associations and academic institutions across the country including WorldatWork’s Spotlight on Sales Compensation and Total Rewards conferences, the Quinlan School of Business at Loyola University Chicago, the Carlson School of Management at the University of Minnesota, the Ralph and Lucy Schey Sales Centre at Ohio University, America’s Health Insurance Plans (AHIP), Society of Human Resources (SHRM), Healthcare Compensation Professionals Organization, Chicago Compensation Association and local association groups.

Dennis received an MBA from the Stephen M. Ross School of Business at the University of Michigan and a BA in Chemistry from Indiana University. He is a native of Pittsburgh and has lived with his wife in the suburbs of Chicago since 1993. The Spahrs are the proud parents of three sons.


Charlie Drehmer Recognized with Dan Seiden Award

The Dan Seiden Award is named for a long-time Marketing professor. Dan worked in Chicago marketing research back when statistics were calculated by a phalanx of accountants working adding machines. He taught at DePaul for over 35 years.

Charlie was selected by the College Teaching Committee and Dean Ray Whittington.


The Center for Sales Leadership is committed to supporting the individual ambitions of students and providing unique resources to enable their success. CSL offers engaging class, self-development programs, and an extensive community of alumni, partners, and peers that prepare students to write their own exceptional stories in a rapidly changing world.

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    DePaul University Center for Sales Leadership

    1 E. Jackson Blvd., Suite 7500 | Chicago, IL 60604

    (312) 362-8788 | salesleadership@depaul.edu

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