Skip to main content
Smiling architect writing at wall

Leadership Team


Meet the Banner|Aetna Leadership Team

Thomas J. Grote

Chief Executive Officer

Thomas J. Grote leads the Banner|Aetna joint venture as Chief Executive Officer. He’s responsible for:

  • Building a more sustainable model of care enhanced by a unique member experience for members in Arizona
  • Improving product offerings while lowering costs
  • Creating a clinically connected network and growing Banner|Aetna’s footprint throughout the state

 

Before becoming the CEO of BannerlAetna, Grote managed operations of Aetna’s Arizona and New Mexico markets for a year and a half. He also oversaw the west territory markets, including California, Alaska, Oregon Washington, Colorado, Nevada and Utah.

Before moving to Arizona, Grote served as president of Aetna's Capitol market from 2010-2015. This market includes Maryland, DC, and Virginia.

Grote joined Aetna in 1987 as an employee benefits representative. He’s held a variety of sales and profit and loss management roles throughout his 30-year career.

Grote graduated from the University of Notre Dame. There, he earned his Bachelor of Arts in Finance. And in 1988, he received his Certified Employee Benefits Specialist designation.

Joanne Mizell

Chief Operating Officer

Joanne Mizell joined Banner|Aetna as Chief Operating Officer in February 2018, with over 20 years Aetna experience and nearly 30 years in the Employee Benefits industry. In this role, and as a member of the executive leadership team, Mizell will oversee operations of the organization and support the execution of the strategic goals set by Banner|Aetna’s Board of Directors and Chief Executive Officer.

Mizell is a proven leader who has consistently delivered growth to various organizations and market segments by developing strong teams, crafting creative strategies and fostering deep community and client relationships. As Chief Operating Officer of Banner/Aetna, Mizell leverages her experience and well-established network in Arizona to execute the organization’s mission of helping employers improve the health and well-being of their workforce, while simplifying the coverage-to-care-to-payment of health care for its members.

Mizell started her career in Orange County and Los Angeles, California before relocating to Arizona in 1998. Mizell’s previous roles at Aetna Included building sales and service teams for large employers, managing the growth, client satisfaction, and profit & loss for a four state market that included Arizona. Mizell also led the creation and build of a new product portfolio for Aetna's National Accounts segment, simplifying the selection, purchasing and administration of voluntary products for Aetna’s largest clients. Outside of Aetna, Mizell was a broker/advisor at an international insurance brokerage firm, where she served as lead health care and benefits design strategist for larger, complex clients.

Mizell has also worked in both paid and volunteer leadership roles for several humanitarian and animal protection organizations. She continues to be actively involved in formal local and state advocacy aimed at improving lives through proposed legislative and policy changes in Arizona and in the United States.

Prior to beginning her career at Aetna, Mizell studied Business Administration at California State University at Fullerton, while working full-time in the employee benefits department of Hughes Aircraft Company. Making lives better by delivering best-in-class employee benefits has been her career journey ever since. Mizell’s role at Banner|Aetna takes that experience and passion to the next level.

Dr. Robert Groves

Chief Medical Officer

As Vice President of Health Management, Banner Health and Chief Medical Officer, Banner Health Network, Dr. Groves is responsible for physician leadership in population health management. He’s also responsible for delivering on clinical performance and utilization management in the volume to value transition.

Dr. Groves earned his M.D. degree from the Medical College of Georgia. He completed Internal Medicine training at the University of Texas Southwestern Medical Center. He also completed fellowships in Critical Care Medicine and Pulmonary Diseases at the University of Alabama at Birmingham.

Dr. Groves also serves as Chief Medical Officer, Banner|Aetna.

 

Dan Keller

Chief Financial Officer

Dan Keller joined Banner|Aetna as the Chief Financial Officer in August of 2017. In this role, Keller oversees the financial performance of Banner|Aetna and supports the CEO in driving the strategic plan.

Keller joins Banner|Aetna with over 20 years of health care management experience mostly in finance, actuarial and underwriting roles. Previously, he served as CFO of Aetna’s Arizona, Colorado, and New Mexico markets. Before relocating to Arizona in 2014, Dan was the Head of America’s pricing for Aetna International based in Hartford, CT.

Dan is a graduate of the University of Wisconsin – Eau Claire, where he received his Bachelor of Science in Mathematics.

Jason Renne

Executive Vice President, Strategy & Business Development

Jason joined Banner|Aetna in September 2018 as the Executive Vice President of strategy & business development. His primary roles are the development of strategies and the fostering of strategic partnerships to drive growth. In addition to providing leadership over a number of key strategic initiatives, Renne will directly oversee network operations and strategy for Banner|Aetna.

Prior to joining the Banner|Aetna team, Renne was chief strategic partnership officer at the Geisinger Health Plan (GHP). Prior to this role, he held the roles of vice president of provider network innovations and director of provider network management at GHP. His experience also includes roles with HealthAmerica and Kaiser Permanente of the Mid-Atlantic States, where he led many critical provider network management initiatives.

Jason holds a Bachelor of Arts degree in sociology from Coastal Carolina University in Conway, S.C.

Transforming health care, together

Together, Banner Health and Aetna aim to offer more efficient and effective patient care at a more affordable cost through its joint venture, Banner|Aetna. We join the right medical professionals with the right technology, so patients benefit from quality, personalized health care designed to help them reach their health ambitions.

Contact us

Banner Aetna Partnership Logo Banner Aetna Partnership Logo

Health benefits and health insurance plans are offered and/or underwritten by Banner Health and Aetna Health Plan Inc. and Banner Health and Aetna Health Insurance Company (Banner l Aetna). Banner l Aetna are affiliates of Banner Health and Aetna Life Insurance Company and its affiliates (Aetna). Aetna provides certain management services to Banner l Aetna. Banner l Aetna is the brand name used for products and services provided by Banner Health and Aetna Health Plan Inc. and Banner Health and Aetna Health Insurance Company.

This material is for information only and is not an offer or invitation to contract. Providers are independent contractors and are not agents of Banner l Aetna. Provider participation may change without notice. Health information programs provide general health information and are not a substitute for diagnosis or treatment by a physician or other health care professional. Information is believed to be accurate as of the production date; however, it is subject to change.

Request a Quote
Continue >

Link 1

Link 2

Link 3

You are now leaving the Banner|Aetna website.

Links to outside sites are provided for your convenience only. Banner and Aetna and its affiliates are not responsible for the content, accuracy, or privacy practices of linked sites, or for products or services described on these sites.

Cancel Continue

You are now being redirected to www.bannerhealthnetwork.com.

Banner|Aetna is the brand name used for products and services provided by Banner Health and Aetna Health Insurance Company and Banner Health and Aetna Health Plan Inc. Health benefits and health insurance plans are offered and/or underwritten by Banner Health and Aetna Health Insurance Company and/or Banner Health and Aetna Health Plan Inc. (Banner|Aetna). Each insurer has sole financial responsibility for its own products.  Banner Health and Aetna Health Insurance Company and Banner Health and Aetna Health Plan Inc. are affiliates of Banner Health and, of Aetna Life Insurance Company and its affiliates (Aetna). Banner Health provides certain management services to Banner|Aetna.

Cancel Continue