Our Team

The Heltzel Kalloz Financial Advisory Group is a team of dedicated financial services professionals who are well qualified to serve you. Together, we offer you the benefits of our more than 50 years of combined industry experience, training, and knowledge. We are also devoted to providing you with exceptional personal service that exceeds your expectations.


Everyone in Heltzel Kalloz Financial Advisory Group lives in the community in which we work, and we share its family values. We take pride in giving back to our community, as a business and as individuals, through charitable fundraising events, involvement in local schools and institutions, and support for non-profit organizations.


Mary C. Heltzel | Senior Vice President/Investments

Mary C. Heltzel, Senior Vice President/Investments

Strengths in retirement planning, 401(k)s, education planning, estate planning strategies, endowment funds, and investments.

Certified Investment Management AnalystSM (CIMA®) certificate

Accredited Investment Fiduciary® (AIF®) designee

Chartered Financial Consultant® (ChFC®) designee

Chartered Retirement Planning Counselor™ (CRPC™) designee

Chartered Retirement Plans Specialist™ (CRPS™) designee

Life, health, and variable (annuities) insurance licenses  

FINRA series 7, 63, 65 licenses

Mary C. Heltzel is Senior Vice President/Investments with the Heltzel Kalloz Financial Advisory Group.  As a financial advisor with more than 25 years of experience, she has achieved a distinguished career in the financial services industry based on two key principles: putting her clients' interests first and providing exceptional personal service.

Mary began her career with Merrill Lynch in 1994.  She spent nearly two decades at Merrill Lynch before joining Stifel in October 2013.  In 2020 and 2022, Mary was named to Forbes' America's Top Women Wealth Advisors.* 

As a registered financial advisor, Mary focuses on retirement planning, education planning, estate planning strategies, and investments to create traditional portfolio investment allocations.

A Pennsylvania native, Mary grew up in York and went to school in York.  She has been very involved with past boards related to the arts and works diligently to assist with children's education.  She also is involved with several community service organizations.

Mary continues to live in York with her husband, Dave.  Her son, Douglas, and his wife, Karen, and daughter, Lauren, and her husband, Justin, also reside in the York area.  She enjoys time with her grandchildren, Sean, Aiden, Dean, and Valera.

Forbes' 2020 America's Top Women Wealth Advisor Forbes' 2022 America's Top Women Wealth Advisor








*Forbes’ America’s Top Women Wealth Advisors Best-in-State, February 1, 2022, February 4, 2022, and April 21, 2020, each based on the 12-month period ending September 30 of the year prior to publication.  Rankings are based on the opinions of SHOOK Research, LLC and selected from a pool of nominations as indicated in the methodology.  Neither SHOOK Research nor Forbes receive compensation from the advisors or their firms in exchange for placement on a ranking.  The rankings may not be representative of any one client’s experience and are not indicative of the financial advisor’s future performance.  Investment performance is not a criterion for selection.  Forbes is a registered trademark of Forbes, Inc.  All rights reserved.  For more information on the selection methodology, see www.stifel.info/award-disclosures.


Michael A. Kalloz, Financial Advisor Associate

Michael A. Kalloz, Financial Advisor Associate

Strengths in retirement planning, debt management strategies, personal credit, cash management strategies, budgeting, charitable giving, 401(k)s, and special needs planning.

Certified Financial PlannerTM (CFP®) designee

Chartered Retirement Planning Counselor™ (CRPC™) designee

Life and variable (anuities) insurance license

FINRA series 6, 7, 63, 66 licenses

Michael A. Kalloz began his career in the financial services industry in 2008. He helped clients' manage their personal credit and fulfilled their lending needs for banks before starting to get investment licensing in January 2008.  Afterward, Mike assisted clients in managing their day-to-day investments and their debt obligations, while still saving for retirement.

In March 2010, Mike joined the Heltzel Kalloz Financial Advisory Group as a Financial Advisor at Merrill Lynch.  In October 2013, his team joined Stifel, where he continued practicing his client-first philosophy and combining his talents with those of the other team members to consistently strive to exceed clients' expectations.

Mike grew up in Gettysburg and graduated from Shippensburg University.  He lived in Philadelphia for five years before moving back to central Pennsylvania, after getting married.

Mike lives in Elizabethtown with his wife, Liza, and their daughters, Cora and Vivian. He is active in his church and has served on several boards. Mike also devotes time to raising autism awareness and enjoys family time, running, and baseball.


 Karen L. Heltzel, Registered Client Service Associate

Karen L. Heltzel, Registered Client Service Associate

FINRA series 7 and 66 licenses

Karen Heltzel has been a Client Service Associate with The Heltzel Kalloz Financial Advisory Group since March 2014 and has been registered since March 2016. Prior to her career with the Heltzel Kalloz Financial Advisory Group, Karen spent time in the publishing industry.

Karen attended classes at PITT. Born and raised in York County, Pennsylvania, Karen spends her free time with her husband, Doug, her daughter Valera, and her basenji, Ruca. She enjoys spending time with her family, gardening, and traveling.