About Greiner Business Attorneys

Reliable. Honest. Loyal. Discrete.

Starting and managing a business involves reaching several milestones that are often made easier with a business attorney, if not require you to have one. Founded by Jon and Katrina Greiner, a San Antonio husband and wife team, Greiner & Associates PLLC came to be out of a natural passion for helping small businesses succeed.

Meet the Greiners

Jon Greiner

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Jon Greiner is one of the managing partners of Greiner & Associates PLLC.  Jon is a graduate of the St. Mary’s School of Law in San Antonio, Texas.  He also holds a B.A. in International Studies.  Jon is an experienced lawyer with a focus on Mergers and Acquisitions.  His passion for helping businesses succeed has resulted in the firm representing over $300 million in commercial entities.

Jon is a proud Texan with deep family roots.  Jon’s interest in business and business law came from his own experience growing up in an entrepreneurial family.  He grew up with a working understanding of the business of ranching and farming and the importance of real estate law and development.  Jon and his wife, Katrina, also own and operate several business entities of their own.  Jon provides his clients not only with an in-depth knowledge of business law but also his own experience and knowledge of operating successful business entities.

When Jon is not in work, he’s enjoying the outdoors with his family. Together he and his wife enjoy kayaking, canyoning, hiking, and fishing.  Jon also takes great pleasure in serving the community of San Antonio.  Jon serves as a volunteer mediator at the Bexar County Dispute Resolution Center.  He is also an officer for his local Kiwanis chapter, Alamo Kiwanis Club.

Katrina Greiner

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Katrina Greiner is one of the managing partners of Greiner & Associates PLLC.  Katrina is a graduate of the St. Mary’s School of Law in San Antonio, Texas. Katrina received her B.A. in International Studies with a focus in International Commerce.  Katrina is an experienced lawyer with a focus on contracts and operating agreements.  Katrina’s attention to detail and knowledge of business forms and contracts has made her an asset not only to the firm but to the over $300 million in business assets owned by clients of the firm.  Katrina is essential to providing on-going outside General Counsel for many the firm’s clients.

Katrina grew up in Corpus Christi, Texas.  Katrina’s family are experienced entrepreneurs in multiple industries from oil and gas to marinas.  She sits on a board of directors for an oil and gas company as well has assisting her husband, Jon, in the managing of the firm and their other private business holdings.  Hard work, legal experience and a proven track record of successful business development makes Katrina an asset to all of the firm’s General Counsel clients.

When Katrina’s not working, she’s enjoying motherhood with her son and daughter or spending time outdoors with her growing family.  Katrina is an avid angler holding two fishing world records.  She has also been a Duchess in the 2008 Feista Royal Court in San Antonio.  Katrina believes in giving back to the community she calls home.  She currently serves on the Development Committee of the DoSeum- San Antonio’s Museum for Kids.  She is also a corporate sponsor and active member of the National Association of Women Business Owners (NAWBO).

Our Team

Amy House

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Amy is the Director of Business Development at Greiner & Associates PLLC.  Amy holds an M.Ed. from the University of North Texas.  Amy received her B.A. in Psychology from the University of Texas at Dallas.  Amy has over 25 years of experience in the corporate business arena with a background in marketing, advertising, human resources and business development.  Amy’s experience and background allow her to connect with business owners and investors with a knowledge of business systems and needs.  She is able to assist clients in communicating needs and recognizing risk factors that the legal team must be aware of to mitigate. 

Amy grew up in Fort Worth, Texas.  She owns her own business consulting and marketing firm.  Amy’s education and career experience, as well as her own business ownership, makes her an asset to the firm’s clients.  She is experienced in understanding the internal systems and growth needs of businesses. Amy’s understanding of businesses, business owners and hidden risks allows her to be pro-active with the firm’s clients for improved client results and experiences.

When Amy’s not working, she and her husband are enjoying the “empty nest” years.  Amy is an avid reader and traveler.  She enjoys historical studies, playing the piano, home DIY and gardening as well as attending the San Antonio Symphony.  Amy is very active in the business community.  She currently sits on the Board of Directors for Women in Finance/ San Antonio Chapter (WIF/RMA), the Board of Directors of the National Association of Women Business Owners/ San Antonio Chapter (NAWBO) and serves an Ambassador on the Commercial Real Estate Women/ San Antonio Chapter (CREW).

Nyssa Garcia

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Nyssa Garcia is a paralegal with Greiner & Associates PLLC.  Nyssa is a graduate from the University of Texas at Austin with a B.A. in Government and Russian, East European and Eurasian Studies.  Nyssa comes to the firm with experience in Corporate Immigration Law.  Her attention to detail has been an asset to the firm and its clients. 

Nyssa grew up in San Antonio, Texas.  She is a fluent in Russian.  She is also an experienced coder in HTML/CSS.  Both of these diverse skill sets showcase Nyssa’s ability to process detail.  Whether she is helping create a contract or review a contract for a client, Nyssa’s eye for detail shines.  She has been an asset in the firm’s work with defense contract work as well as cybersecurity/ tech related companies.

When Nyssa’s not working, she is very active with her close-knit family.  She enjoys reading, learning new languages, gardening and video/photo editing.  Nyssa is very involved with her church.  She is a volunteer teacher.  She is involved with both local ministry and international mission trips.  She also enjoys working on musical productions at her church.

Let our passion translate into your success

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