About Us

Picture of Team

From left to right:
Nick Brumgard- Business Development Manager/ Associate Broker
Kara Brumgard- Vice President of Operations
Christina Schimcek- Administrative Assistant
Denise Andabaker- Chief Financial Officer/Owner
Rudy Andabaker- Broker/Owner

Our Agents

Rudy Andabaker » Broker/Owner
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I was born and raised in Donora, PA but made a home here in the great state of Texas. At the end of my 22 years in the U.S. Air Force I knew what was next. In 2001 I got my Texas Real Estate License. Then in 2004, my Broker’s License and opened Global Realty Group, LLC with my wife. My wife, Denise and I have been happily married since 1987, we have three daughters and three remarkable grandchildren. I am committed to being involved in our community and the way I’m able to do this is though being on the Board of Directors at our local YMCA.
Nicholas Brumgard » Business Development Manager/ Associate Broker
Picture of Nicholas Brumgard
Hi! I am Nick Brumgard, your Business Development Manager and Associate Broker at Global Realty Group, LLC. I am a native Texan that has lived in the greater San Antonio area for more than 28 years, minus 7 years while serving as an Instructor Pilot in the US Air Force. I am a graduate of Samuel Clemens HS and Texas State University in San Marcos,TX. I have been practicing real estate for 8 years gaining knowledge and experience with each successive year. My wife Kara and I have been happily married for nearly 17 years and have 3 beautiful children that are enrolled in SCUCISD.

Buying, selling, or leasing a home can be an intimidating process. My goal is to provide you with the highest level of service and satisfaction through my expertise and that of those around me. Allow me to guide you through your next real estate transaction, I strongly feel you will be pleased with my honest and dependable approach. Thank you for choosing us!
Rogelio De Luna » Agent
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I have been a licensed TX realtor for 2.5 years. Let me help you list your home for sale, purchase a home/property, or find a rental in the San Antonio, New Braunfels, Schertz, Cibolo, Universal City, Live Oak, Selma and surrounding areas. I work on weekends! Constant communication between you, the sellers, the buyers, the property management company, mortgage company and/or the title company is very important to me. I'm U.S. Army Officer Veteran (25 years, retired as a Lieutenant Colonel). I was born on the Island of Saipan and raised on Guam for 20 years. I have a master’s degree in logistics management from University of Central TX. My wife and I have raised our children in the beliefs of God, family, hard work, team work, respect, and physical fitness.

Let’s work together soon!
Mary Eddy » Agent
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Hi, my name is Mary Eddy. I've lived in the local community for over 25 years and know the area well. I've worked very close with our Military family and understand what it takes to PCS around the world. My goal is to provide you and your family exceptional service. I will listen to what's important to you and together we will "Make It Happen". I look forward to meeting you and doing all I can to exceed your expectations.
210.380.1984 Fax: 210.566.7800
Stephanie Fikes » Agent
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Stephanie Fikes is a Professional Realtor and multi-million dollar producer serving San Antonio and the surrounding areas for the last 6 years.

Stephanie’s strong family values and morals are backed by her husband of 20 years Ronny Fikes who is a City of San Antonio Firefighter/Paramedic. Stephanie and Ronny have 2 children, Jessica and Justin who are both in college. As a family they enjoy spending time together at various sporting events and outdoor activities.

For the last 20 years Stephanie has been in the Customer Service/Sales Industry and possess a very strong work ethic. Stephanie has volunteered on various business association boards as well as youth sports boards and is very active in the community.

If you are looking for a Professional Realtor to guide you through the home buying or selling process call Stephanie today. You will be very satisfied with the friendly, dependable and honest service you will receive.
210.279.7443 Fax: 210.566.7800
Crystal Miller » Agent
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Hello, my name is Crystal Miller. I am originally from West Texas and have lived in the area since 2003. I have worked in the real estate industry for over 15 years and enjoy it very much. I am dedicated in providing excellent assistance in helping you and your family find your new home. I have worked closely with military families and their relocation housing needs. I am also bi-lingual in Spanish. I look forward in meeting you and helping you with your real estate needs.
Tiffany Perdue » Agent
Picture of Tiffany Perdue
I come from a family deeply rooted in the real estate business. My father and my brothers are award winning home builders, and one of my brothers has been a highly successful realtor for greater than 20 years. My clients benefit from the wealth of experience and knowledge that I have acquired through these relationships.

As the daughter and granddaughter of veterans and the wife of a civil servant, I have always valued the sacrifices of those who secure our freedoms, and I have a deep love for America and Texas, my native state. I have lived nearly my entire life in the San Antonio area and have a vast knowledge of its culture rich neighborhoods.

I have been an English teacher at Byron P. Steele II High School since its inception (2005) and have earned two master's degrees, all while raising my three daughters with my husband of 22 years. So, tenacity and grit are a lifestyle for me, and I thrive on achieving my goals and helping others to achieve theirs.

Whatever your goal, whether to buy, sell, or rent, I hope you will allow me to help you to achieve it.
Derek Rivera » Agent
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After spending 23 years in the Air Force, moving around, and buying and selling houses along the way - I have developed a passion for real estate and helping others find their piece of the American Dream! My wife Angela and I have 3 boys, with that we love anything sports related, especially baseball, along with spending quality family time together. If I can help you with any of your real estate needs please don't hesitate to call! My cell is 823-600-6993..... I look forward to working with you!
Jeannette Trevino » Agent
Picture of Jeannette Trevino
Hi, my name is Jeannette Trevino! I've lived in San Antonio, Texas all of my life. I have an MBA and a Bachelor of Science in Management. I have 4 children and 1 grandchild. I am currently working for SAISD as a School Librarian and have been with the district for 7 years. Be fore this, I was in the Mortgage Industry for 20+ years. I have experience with Mortgage Processing, Loan Origination, and Auditing. I also have experience as a consumer who has purchased and sold 3 new homes. I recently closed on a new home, I started the process from the ground up with a builder and would love to share my experience with you. I am thankful for the many blessings I have in my life and love to help others when they are in need. I would love to help you with your real estate needs.

Feel free to give me a call at 210-284-2243.
Tim Shuler » Agent
Picture of Tim Shuler
My name in Tim Shuler. I have a wonderful family, my wife and I have 3 small kids: Dalton (3 yrs), Julianna (1½), and Hazel (4 months). I have been an agent for almost 7 years and with GRG for almost 3 years. We currently live in Northeast San Antonio but I am native to the Schertz/Cibolo area, and still have many ties to that community. I attended Samuel Clemens HS, and then University of Arkansas. I have a Master degree in Secondary Mathematics Education, and have taught for over 11 years. I enjoy sports, outdoors and anything with my family.

I have successfully flipped multiple properties, and do most of the remodeling and contracting myself. I have also remodeled several residential homes and commercial buildings. I have a knack for identifying undervalued properties and looking at the potential in a house. If you are looking for the right fixer-upper, my experience would be helpful.

If you have school age kids, I have an enhanced knowledge of the San Antonio and surrounding area school districts. It is important to know what schools offer, which schools are recommended, and what direction the district is going.

In listing a house I will provide you with ample market analysis, staging tips, and photography that will maximize your house’s appeal. This will give you the best opportunity and information to help you decide the best course of action.

I strive to be honest, flexible, and emphasize communication with my clients.
Ben Stakes » Agent
Picture of Ben Stakes
My name is Ben Stakes, and I am grateful to be a member of the Global Realty team. After spending my childhood in Live Oak, and eventually settling in Schertz, I am a true Texan at heart with a deep loyalty to my community and its members. I pride myself on my strong work ethic and commitment to my clients. My wife of nine years and three beautiful daughters have shown me the importance of family and home. Whatever part of the journey you're about to embark on - renting, selling, or buying a home - I am here and eager to help guide you. Being a realtor goes beyond business for me; my passion and my personal mission is to treat you with the same respect and integrity I would my own family. I look forward to working with you!
Rick Villarreal » Agent
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Rick Villarreal lives and sells in your community! Rick has always enjoyed meeting people from all walks of life. He has helped many local families with buying or selling their homes. Regardless of the transaction, he strives to ensure the client expectations are met or exceeded each and every time.

Rick Villarreal is a Realtor with Global Realty Group in Schertz, Texas. He received his Real Estate license in 2011 after graduating from the Champions School of Real Estate. He also has a Bachelor’s degree from Park University and is a 26-year United States Air Force veteran.
210.792.4387 Fax: 210.566.7800
Erica Vogel » Agent
Picture of Nicholas Brumgard
My name is Erica Vogel. I am married and have two wonderful children.

In taking care of my own family, I understand the importance of a safe neighborhood, good schools, access to all the necessities, and above all budget!

A decision to buy or sell a home may encompass emotions such as fear and anxiety. I am here to help you focus on the emotions of excitement and happiness.

I will offer you my expertise as a Realtor to help guide you through your real estate transaction, whether it is the sale of your current home or the purchase/build of a new one.

I have experience with home staging which will help you get top dollar for your home in a reasonable timeframe. I have experience with ‘fixer uppers’ so, I can help you see the potential in a property that you fall in love with, even if it may need a little TLC.

I have surrounded myself with an “A” Team which will assist in providing you with excellent service from credit repair and/or home financing to home repair and updating.

I am a self-sufficient person who never backs down from a challenge. I take an extreme amount of pride in what I do and I know that my success solely depends on level of excellence I provide for my clients. I am ready to start working for you today!
Michael Walker » Agent
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I am real estate professional with a belief in integrity, professionalism, and efficiency. The organizational and motivational skills instilled in me by the United States Air Force highlight my abilities to assess the details of your real estate goals and meet all deadlines in a timely matter.

I am a veteran of the United States Air Force, graduate of University of Maryland University College, Christian, husband, father and grandfather. I exercise discipline, implement dedication, utilize education, and employ my management skills with each and every real estate transaction I conduct. Whether I am working for the buyer or seller, my focus is on the details to ensure the best deal for all of my clients.

I understand that it is a very exciting and anxious time when you are moving so, making it a pleasant experience is my mission. I am a tenacious negotiator dedicated to provide exceptional service and committed to meeting your every need.

I want to be able to help find the perfect home for you and your family. Whether you are first time home buyer, new to the area, or wanting an investment property, allow me to be your Real Estate Agent. I look forward to working with you so, give me a call.
Phone: 210.566.7800 Cell: 210.624.1624 Fax: 210.566.7800
James Ynclan » Agent
Picture of James Ynclan
I strive to customize each buying or selling experience for each client as well as put my personal stamp on it. Responding promptly to my client’s needs and ensuring whether you are selling or purchasing a home, it is more than a transaction; it is a family achievement. I go to great lengths to put my clients at ease by communicating throughout each step and placing you as my top priority. Understanding my clients’ lead busy lives, it is my goal for your family to be excited about the process.

With over 10 years of extensive real estate, mortgage and customer service experience, my clients benefit from my passion for the San Antonio area, my experiences and appreciation for the military life.
210.771.5872 Fax: 210.566.7800
Channing Zua Zua » Agent
Picture of Channing Zua Zua
Channing Zua Zua epitomizes integrity, energy, hard work and creative service in every detail of your real estate transaction.

Channing is an enthusiastic member of the community and enjoys spending time at church, with her husband, four sons and showing her clients the best San Antonio has to offer.

No matter if you are buying, selling or renting ... Channing is your "go to" person as well as your "one stop shop".
Hector Lozada Principe » Agent
Picture of Hector Lozada Principe
Hello, my name is Hector Lozada Principe. My wife Celia and I have been married for twenty-five years and have two children and a beautiful grandchild. I enjoy sports, working out, helping my community through mychurch, and ridding my Harley. But above all, I treasure my family and theprecious time we spend together.

Before becoming a realtor, I spent over twenty-five years in the U.S. Army. Following a tradition of service, I want to bringthe same dedication and commitment to all my clients. I’m also fluent in Spanish! Give me a call, I would love to assist you with any of your Real Estate needs.
Adrian Alvarado » Agent
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Welcome, my name is Adrian Alvarado and thank you for allowing me to introduce myself. I have had the pleasure of serving my clients Real Estate needs since 2009 and it has been a blast! My love for the outdoors stems back to my childhood where my dad, brothers and I spent much time fishing and hunting.

This led to the natural progression of Farm and Ranch Real Estate which was my primary focus for the first few years of my career. Over time, my business grew and crossed the boundary into Residential Real Estate. So now, I hang my hat on doing both Ranch and Residential Real Estate…what a blessing! I service the Greater San Antonio Area along with South Texas and the Texas Hill Country.

Customer Service, honesty and integrity are paramount requirements in Real Estate and I can assure you I will always do my very best to provide you and your family with the service and protection you deserve, in a timely manner. Feel free to call or text anytime to discuss Real Estate or with any questions.
Brian Rogers » Agent
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Bio Coming Soon!
Greg Braswell » Agent
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My mission is to ensure when you start the home hunting process or are getting ready to sell the place you called home for the past few years that you are comfortable and have the right expectations. I strive to be excellent in every aspect of service I provide by collaborating with the right parties to get results.

Your business is important to me not because of the prize at the end of the race, but because I value my output and what I do. My hobbies include anything outdoors to stay active, I try and sweat a little bit every day. I have two little boys 4 years and 1 year old that make life worth living. When I am not with them or exercising I am trying my best to be the next Bob Vila and doing DIY projects.
Donna Shuler » Agent
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Hi my name is Donna Shuler. I graduated from Klein High School in the Houston area, and attended Palo Alto, earning a degree in Veterinary technology. I worked as a Licensed Veterinary technician for the last 13 years. My husband Tim (also an agent with GRG) and I have 4 amazing kids, 2 dogs, 1 cat, cows and a miniature horse. My husband and I have teamed up to design, renovate, and remodel numerous houses. In those experiences, I obtained skills in staging, photography, scheduling with agents and contractors, and assisting with successful open houses. I am proud of our accomplishment in seeing ways to maximize the potential of each house, and also learned that most every problem has a solution.

I have been around real estate, and experienced the real estate transaction from all sides for the past 10 years. I am ambitious with a high energy personality and eager to serve attitude. I am an excellent listener and wish to fully understand my client's situations and goals. I will work diligently, finding you a place to call home, or listing your property for sale. I will put my clients first by making myself accessible and communicating openly.

My hobbies include, cooking, TRX workouts, country music dancing, caring for animals, gardening, and garage sale shopping!!

I hope to have the privilege of being your realtor
Angela Rivera » Agent
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I am a Louisiana native, Air Force veteran, (retired) military spouse and mom of 3 boys. All of that translates into the fact that I understand how stressful moving can be and the importance of having an agent who will work diligently in assisting you achieve your real estate goals. Over the years, I have developed a passion for real estate and will strive to make the buying or selling of your home an Excellent one!

I enjoy working out, photography, crafting and gardening. My husband, Derek (also a GRG Realtor), and I cherish spending family time together with our boys.

If I can help you with any of your real estate needs, please don't hesitate to call! My cell is 832.350.6835. I look forward to working with you!
Nicole Minyard
Picture of Nicole Minyard
Hi, my name is Nicole (Nikki) Minyard. I am originally from Wisconsin but moved to San Antonio in 1998 and loved it and never left. I worked at a software company until I had kids and had the opportunity to stay at home with them while they were growing up. I have stayed busy volunteering at several of the kid’s schools and clubs in which they played sports and enjoyed every minute of it! I have chosen to start my career in real estate because I always knew I wanted to do something where I would be helping others. I feel like helping people find the place they can call home or have as an investment is the perfect opportunity for me. I look forward to assisting you in your future endeavors.

Contact Us

  • Global Realty Group, LLC

    • 109 S. Main Street
    • Cibolo, TX 78108
  • Phone: 210-566-4000