Hayne Moon & Associates

Merrill Lynch Wealth Management
1803 Broadway St
San Antonio TX 78215
(210) 805.2981
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Whatever your personal goals may be, we will work together with you, one-on-one, to develop a personalized financial strategy designed to help you pursue your long-term goals.
Hayne Moon & Associates
Welcome

Like the diverse clients we serve, the professionals at Hayne Moon and Associates bring a wide range of experience shaped by distinct career paths. Our roots span from wealth management, investment banking, commercial and consumer banking, energy trading, commodity trades, and corporate finance. Working collaboratively and closely with clients, we deliver clear, integrated strategies designed to meet sophisticated financial goals without unnecessary complexity.

We believe the best advice starts with understanding each client’s perspective. By asking thoughtful questions, listening carefully, and communicating consistently, we help provide clarity and confidence in an uncertain world. Our experienced, battle-tested team has guided generations through market cycles, earning lasting relationships and referrals built on trust. We’re proud of those relationships and look forward to building new ones—serving families today and for generations to come.

Recognition
James Moon
Senior Vice President, Wealth Management Advisor
Forbes "Best-in-State Wealth Management Teams", 2023-2024
(Published annually in January. Rankings based on data as of March 31 of prior year.)
Hayne Moon & Associates
Forbes "Best-in-State Wealth Management Teams", 2026
(Published on January 7, 2026. Rankings based on data as of March 31, 2025.)
About Us
Philosophy
At Hayne Moon and Associates, we believe the true value of an advisory team is measured over time—not simply in dollars and cents, but in the consistent delivery of professional, proactive, and purposeful wealth management.

Transparency and education are central to our approach. From the start, we help clients understand the full scope of their financial picture—from liability management to legacy planning—while reinforcing the importance of discipline, long-term perspective, and "time in the market" over short-term "market timing".

We strive to keep things simple without losing rigor. By encouraging client involvement and open dialogue about goals and risk, we help clients stay focused, informed, and confident in their strategy. Simply put, the more we understand you, the more effectively we can serve you.

While we can't control the markets, we are exceptional at what we can control—risk management, thoughtful portfolio construction, and sound financial direction. Leveraging Merrill Lynch Wealth Management research and resources, we tailor strategies to each client's goals, timeline, liquidity needs, and risk tolerance.

We feel privileged to help accomplished individuals and families accomplish even more—and we hope to earn the opportunity to do the same for you.

Meet Our Team
Walter Hayne,

CPFA®

Senior Vice President, Senior Financial Advisor
210.805.2881
James Moon,

CIMA®

Senior Vice President, Wealth Management Advisor
210.805.2981
Sebastian Bathie
Financial Advisor
210.842.0121
Diane V Diaz
Assistant Vice President, Wealth Management Associate
210.805.2858
Colleen Benavides
Officer, Wealth Management Client Associate
210.805.2989
Juana Sanchez
Wealth Management Client Associate
210.805.2910
Additional Resources
The following specialists do not make securities recommendations. Please contact your Merrill Lynch Wealth Management Advisor if you have questions about how a specialist might be able to assist you.
Daniel Scalley
Wealth Strategies Advisor
Bank of America, N.A.
Carlos A. Rivera
Wealth Management Lending Officer
NMLS #754165
Bank of America, N.A.
Jennifer Santos
Wealth Management Banking Specialist
Merrill
About Merrill

Bringing fresh perspectives to your financial life

The financial decisions you make today can help determine the future you build for yourself and your family. Carving a clear path forward starts with connecting your life and finances. A Merrill advisor provides access to the investing insights of Merrill and banking capabilities of Bank of America to help you make informed decisions as you pursue your goals.

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Investments & Wealth Institute™ (The Institute) is the owner of the certification marks CIMA® and Certified Investment Management Analyst®. Use of CIMA®, and/or Certified Investment Management Analyst® signifies that the user has successfully completed the Institute’s initial and ongoing credentialing requirements for investment management professionals.