​For inquiries and bookings:

(301) 941-1800



OCC is classified as a small woman-owned business and federally approved vendor GS10F0425P on MOBIS schedule 874-1. DUNS #105-174-903.

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Only Connect Consulting, Inc. | 3 Bethesda Metro Center, Suite 700 | Bethesda, MD 20814​

© 2017 by Only Connect Consulting, Inc.

about us

devora zack, CEO

Devora Zack is a Washington Post best-selling author, keynote speaker, and coach with a revolutionary new approach to leadership. Her three award-winning books, Singletasking (Berrett-Koehler 2015), Networking for People Who Hate Networking (Berrett-Koehler, second edition 2019), and Managing for People Who Hate Managing (Berrett-Koehler 2012) focus on authenticity rather than rules for success. Her books are translated into 45+ languages. Awards include Top Ten Business Books of 2015, Top Five Business Books of 2016, and Top Ten Non-Fiction by the Washington Post.


Ms. Zack provides leadership programs to 100+ clients. She has been executive coach to Fortune 100 senior executives and Federal leadership, including Deloitte, Cap Gemini, McGraw-Hill, EPA, US Department of Education and TSA. OCC has won USDA’s Woman-Owned Business of the Year.


She has keynoted for clients such as Smithsonian, FDA, Johns Hopkins Medical Institute, National Institute of Health, John Deere, London Business School, US Department of Energy, Treasury Executive Institute, and Mensa. She has been invited twice to tour Australia by the Australian Institute of Management.


She has also been featured in dozens of worldwide media such as the Wall Street Journal, USA Today, ABC-TV, US News & World Report, CNN Money, CBNBC, Fox News, British Airways, Forbes, Cosmo, Self, Redbook, Women’s Health, Working Mother, and Fast Company among many others.


Ms. Zack holds an MBA from Cornell University, a BA from University of Pennsylvania (magna cum laude), certifications in MBTI and Neuro-Linguistic Programming, and memberships in Phi Beta Kappa and Mensa.

OCC Associates

Richard Tanenbaum applies his PhD in Psychology to helping executives and organizations improve their management practices, public relations, and organizational development. He works as both a coach and consultant.

Denise Jenkins leverages clients’ strengths as an executive coach and consultant. Her expert trainings improve communication, mitigate conflict, and build teams. She has an MSW from University of South Carolina and is certified in the Myers-Briggs Type Indicator.

Leslie Williams is an executive coach and organization consultant. She has an MS in Organization Development, a Professional Coach certification, and is certified to administer the Myers-Briggs Type Indicator and Emotional Competencies Inventory.

Portia Lee integrates action learning and facilitation, enabling clients to increase effectiveness in team environments. She holds an MS, and her work spans North America, Europe, and Asia. She focuses on enabling clients to achieve their highest potential.