Meet our Tower TEAM Members

Tower’s highly experienced, well-credentialed team will partner with you to develop custom-designed solutions to help you meet your goals.

Rachael A StrausDirector of Human Resources
Stephanie KnispelRevenue Cycle Management
Heather Dague, M.D.Director of Informatics
Stephen LipetzkyDirector of Accounting Services
Ajsa SnoblDirector of Marketing Services


Tower’s highly experienced, well-credentialed team will partner with you to develop custom-designed solutions to help you meet your goals.
Click to call: 630-243-5731

Antone Crasto
Chief Executive Officer

An experienced Healthcare and Corporate Business Development Executive, Antone’s primary expertise lies in evaluating the strategic advantages of organizations; building successful business plans, developing corporate strategies and alliances, managing the sales and business development process and implementation to ensure successful performance. Experience includes progressive advancement with many major healthcare organizations including DaVita HealthCare Partners, Meridian Healthcare Group, In Home Health, Manor Care Health Services, Coram Healthcare, HMSS, Inc., and Homedco, Inc. As Vice President, Strategy & Development, Antone is responsible for all aspects of NANI’s Management Services Organization (MSO), Tower Physician Solutions, including successful MSO launch, strategy and service line development, business partnerships, revenue generation, and profitability.

 Call: 630.243.5731

Brian O’Dea

Brian is an entrepreneurial business leader with Management and Finance experience in Healthcare, Banking, Commodities and Manufacturing. He is a Certified and licensed Public Accountant who holds an MBA from DePaul University and an undergraduate degree from the University of Illinois. Currently CEO of Nephrology Associates of Northern Illinois, Brian has helped modernize and transform core operations for efficiency and to build a platform for growth. In his eight years with NANI, Brian has more than doubled revenues and physician members. He has led expansion into joint ventures for dialysis and real estate, access centers and lab management services.


Rachael A Straus
Director of Human Resources

Rachael is a results-driven Human Resources professional who possesses in-depth knowledge and experience in both corporate and multi-unit environments. Her ability to maintain high quality standards while ensuring consistent application of laws, policies and the employer’s core values is a great asset to the Tower Physician Rachael attained her Master’s in Human Resources Management from De Paul University’s Graduate School of Business in Chicago. She also holds a Master’s in Social Policy and Planning from the London School of Economics in London, UK. She received her Bachelor’s in Political Science and International Development Studies from the University of California in Los Angeles, California. Rachael has her SPHR and GPHR credentials through HRCI, her SHRM-SCP through SHRM, and is a Certified Employee Benefits Specialist and Compensation Management Specialist through IFEBP.


Stephanie Knispel
Director of Revenue Cycle

Stephanie is an experienced, results-focused leader of the Revenue Cycle services for Tower Physician Solutions and for NANI, the nation’s largest nephrology practice. She is dedicated to integrity and accuracy in medical coding, the billing process, cash posting/reconciliation, collections for medical practices and analytic reporting, with extensive experience in the field of Nephrology. Her track record has shown success in process improvement, support of sustainable goals and staff development. Stephanie attended has worked with NANI for over ten years and attended Kaplan Perdue University Global.


Heather Dague, M.D.
Director of Informatics

Heather has over 6 years of experience working in Clinical Informatics and Information Systems with Tower Physician Solutions and NANI. Prior to working with Tower and NANI, she earned her medical degree from University of Illinois College of Medicine-Peoria and her bachelor’s degree in Chemistry from Villanova University. She uses her clinical background combined with her knowledge of systems to optimize workflows and maintain the integrity of medical records. In addition, she plays a key role in developing the analytics used to guide and influence decisions. Aside from her IS work, she also oversees the IT NANI department and Tower client IT services.


Stephen Lipetzky
Director of Accounting Services

Steve has 5 years of Healthcare Accounting experience. He received his Bachelors of Science in Accounting from Governors State University and recently, he has obtained the credentials to sit for the CPA exam. Steve is working toward an MBA with Finance specialization. As Director of Accounting, Steve’s main responsibilities include the issuing of monthly financial statements, overseeing treasury management, and providing cash flow projections and profitability analyses to Tower clients.


Ajsa Snobl
Director of Marketing Services

Ajsa consistently delivers well-crafted, thoughtful content across all channels. With over 10 years of experience, she is the primary marketing lead who develops integrated marketing strategies for new commercialization plans that create awareness and educate key stakeholders.