Our People
The Greykasell team brings 50 years of combined financial services expertise to each client relationship. We believe education and transparency are the best foundations to build long-term prosperity upon. That’s why educating clients and their families on the nuances of financial wellness is a top priority for all of us.
David J. Eisenhauer
Founder & Chief Wealth Strategist
David has a passion for serving others – whether leading volunteer efforts in his community, coaching youth sports, or helping people pursue their financial goals. He launched Greykasell Wealth Strategies to align advice with the unique needs of clients and to build a firm where people – not products or profits – come first. Drawing on decades of experience, including roles at PwC (PricewaterhouseCoopers) and Northwestern Mutual, he brings a disciplined, tax-aware approach to planning and investing.
In the community, David is a past president of the Pleasanton North Rotary and the PNR Foundation, a 501(c)(3) affiliated with the organization that supports local causes through fundraising and hands-on service. He has coached more than 30 seasons of youth soccer and softball and keeps a running list of favorite quotes from the field.
David and his wife, Teri, are the proud parents of three. Their blended names [Ellie, Greydon & Kason] inspired the “Greykasell” brand. Away from the office, he enjoys BBQing with family and friends, as well as waterskiing and fishing.
David holds the Certified Public Accountant (CPA), CERTIFIED FINANCIAL PLANNER™ (CFP®), and Chartered Life Underwriter® (CLU®) designations.
Cynthia Miller
Director of Operations
Cynthia graduated from Indiana University with a B.S. degree in Psychology and a minor in Sociology. While completing her studies, Cynthia was also a four-year collegiate athlete and team captain of the women’s swim team.
Cynthia joined the team in 2019 as the Director of Operations. Cynthia manages daily operational and administrative tasks for both clients and team members.
Cynthia lives in Walnut Creek with her husband Jackson and son Dax (2024). In her free time, she is an avid crossfitter, enjoys hiking with her family and spending time with friends.
Michael Kimbrough
Director of Investments
Michael joined the team in 2020 as Director of Investments. In this role he provides guidance on the investments, asset allocation and portfolio construction for our clients with advisory relationships. Prior to joining the team he was a Director at Bank of Montreal and Vice President at Citigroup advising institutional clients trading foreign exchange and fixed income products. Michael also held investment management related positions at Merrill Lynch and PIMCO. He has 24 years of financial services experience and holds a MBA in investments and financial markets from the University of Southern California Marshall School of Business and a bachelor’s degree in business administration from Cal Poly, San Luis Obispo.
Michael and his wife Kelly live in Danville with their three kids Audrey (2010), Jack (2012) and Vivien (2019). In his free time he enjoys golfing, traveling and watching his kids play soccer, baseball, lacrosse, basketball and football.
Teri R. Eisenhauer
Office Manager
Teri graduated from Sonoma State with a bachelor’s degree in psychology. She was a four-year collegiate athlete as part of the women’s track & field team and was Academic All-American in 2006 and Academic All-Conference 2006-2007.
Teri began her financial services career recruiting at Northwestern Mutual where she recruited David from the public accounting sector into the advisor space. For the past 15 years, Teri has been instrumental to the firm’s success by providing support in every area as the firm has grown from a one-person advisor practice into the firm now known as Greykasell.
Teri resides in Danville with her husband David (married in 2007), daughter Ellie (2011), son Greydon (2013), and son Kason (2016). In her free time, she enjoys volunteering at the kid’s school, spending time with her family and friends, cooking, and watching the kids play sports.
Ivan Hernandez
Financial Associate
Ivan graduated from Santa Clara University in 2025 with a B.S in Finance. During college, Ivan spent 11 months interning with Alvarez and Marsal, supporting financial litigation matters. He worked on over 20 cases, developing strong skills in financial analysis, client service, and problem-solving.
Ivan joined Greykasell as a Financial Associate in 2025.
Ivan lives in Fremont, and in his free time he enjoys hiking, working on cars, and discovering new food spots.
Our Services
A team of advocates is a good way to describe our approach to wealth management. Like members of a team, the different components of your financial plan must work together toward a common goal. Every element in sync, supporting the overall objectives, no decision made without considering the impact on the whole.
And, as a fiduciary, we are held to a higher standard and will act in your best interests at all times. Always.
