About Jennings Kallen Advisors

We understand the perseverance it takes to not only start but also scale a successful business.

Every day presents new challenges and decisions to be made. You struggle to keep up with the demands of bringing your vision to life and wonder what you are missing as you do the best you can to grow quickly.

We get it. We have been in your role and understand how the pressure to be successful can distract you from your mission and the necessary next steps.

You Do Not Have to Do It Alone.

From early-stage to established organizations, we determine and execute strategies to secure the capital and resources to turn ideas into game-changing products and services.

Meet Jon Kallen, M.S., Esq.

Managing Partner

Photo of Jon Kallen, managing partner at Jennings Kallen Advisors

Jon Kallen is an entrepreneur, attorney, and engineer with extensive experience in the renewable energy, regulated energy, agricultural technology, water/wastewater infrastructure, and environmental services sectors. He has more than 25 years of experience working for large diversified energy companies, engineering consulting firms, and early-stage private equity renewable energy/infrastructure project developers.

Jon possesses degrees in engineering and law, is a graduate of the Greater Des Moines Leadership Institute, and is a member of the Business Record’s 40 under 40 Emerging Business Leaders of Central Iowa. In 2022, Jon was named Entrepreneur of the Year by The Greater Des Moines Partnership and in 2024 Jon received the Technology Association of Iowa, Impact Award.

Jon was appointed in 2020 to serve as the Entrepreneur in Residence at the Iowa State University Business Accelerator at the ISU Startup Factory.

In his spare time, Jon is a mountain climber, trail runner, whitewater kayaker, and adventurer. He has climbed mountains all around the world, with goals to climb the highest peaks on all seven continents (3 down) and kayak down the Amazon.

Frank has 20 years of C-Suite level leadership experience in B2B and B2C business models, spanning corporate, entrepreneurial, and marketing organizations. His experiences span business building and strategy development for world-class brands and companies, in both domestic and international settings. Most recently he co-founded and operationalized two start-ups.

Meet Frank Maher

Partner

Meet Nicole Reynolds

Director

Nicole Reynolds

Niki Reynolds brings over 20 years of expertise in business, marketing, and go-to-market strategy. Her experience includes driving success for startups and established organizations, as well as B2B and B2C companies across diverse industries. She has a proven track record of driving revenue growth and expanding market share. Niki excels at identifying market opportunities and turning complex ideas into actionable insights and targeted growth strategies.

Erich is an experienced financial executive with more than 20 years of leadership in finance, accounting, business operations, and organizational strategy. His career includes senior leadership at Mayo Clinic as well as more than a decade advising small businesses, entrepreneurs, and nonprofit organizations. Erich specializes in helping organizations understand their financial performance, strengthen financial processes, and turn complex financial information into practical, actionable business decisions.

Erich partners with clients on financial strategy, forecasting and modeling, cash flow management, profitability analysis, accounting oversight, and the development of financial processes that support sustainable growth. His approach combines hands-on financial management with executive-level perspective, helping business owners better understand not only what their numbers say, but what they should do next.

Erich holds a PhD in Business Management and Accounting from Capella University, an MBA from the University of Minnesota, and a bachelor’s degree in Business Administration from Wartburg College. He is a Certified Management Accountant (CMA) and Certified Fraud Examiner (CFE).

Meet Erich Heneke, PhD, CMA, CFE

fractional chief financial officer

Meet Hannah Hill

GRANTS DIRECTOR

 

Nicole Reynolds

Hannah specializes in the writing and organization of non-dilutive funding applications and the preparation of external communication materials.

Hannah has spent her career at high-growth, early-stage startups serving as a jack-of-all-trades for both organizations. At Performance Livestock Analytics, she ran point on due diligence during their multimillion-dollar acquisition by a Fortune 500 company. At Genvax Technologies, she was the first employee, setting up operations and organizing/writing applications for over $1M in non-dilutive funding. Hannah also serves as an Associate for the AG Startup Engine, an ag-tech-focused investment group in Iowa.

Hannah is a graduate of Iowa State University with a B.S. in Agronomy and a minor in Entrepreneurship. 

Joe is a seasoned growth strategist with 15 years of award-winning leadership as a CEO, CFO, and entrepreneur. He specializes in driving growth for innovative companies by helping them acquire critical resources and develop refined business strategies. With an MBA from the University of North Carolina at Chapel Hill and a B.S. in Agricultural Business from Iowa State University, Joe brings a strong foundation to his strategic work.

Joe partners with clients to craft tailored growth plans, streamline operations, and secure the resources needed to scale effectively. From business strategy and forecasting to process optimization, he rolls up his sleeves to deliver results, always focused on building a brighter future for the companies he serves.

Meet Joseph D. Sweeney, MBA

CONSULTANT

Meet Benjamin Rempe, MBA

CONSULTANT

 

With over 20 years of executive leadership in financial institutions, fintechs, and credit unions, Ben is a results-driven strategist known for driving transformative growth. He has raised millions in equity and debt, scaled operations to achieve 30x revenue growth, and built high-impact partnerships that fuel profitability and innovation. Holding an MBA from the University of Iowa, Ben excels at streamlining processes, optimizing resources, and empowering organizations to deliver measurable results and meaningful community impact. 

Sarah Moore is the Administrative Coordinator for Jennings Kallen Advisors.  She has 20+ years of experience as an executive assistant in the Iowa State Senate. Her role in the Iowa Statehouse involves managing constituent issues, promoting the elected official’s image as well as working with elected officials, policy experts, and legal counsel to help create good policy for the State of Iowa. Sarah is a graduate of Seattle Pacific University with a degree in Interpersonal Communication and a coaching minor and license from the University of Northern Iowa.

Meet Sarah Moore

ADMINISTRATIVE COORDINATOR

Ready to Scale Faster?

Let us get a call scheduled to walk through your goals, challenges, and desired support.

Headquartered in
Des Moines, Iowa

606 Walnut Street, 23rd floor
Des Moines,Iowa 50309

Reach us by phone at
515-343-6492