San Marcos: 512-878-0999

Elly graduated from the University of Texas School of Law. She began her legal career as a prosecutor.

Elly worked at the Office of the Attorney General for Texas for several years as counsel and as Acting Division Chief in the Crime Victims Compensation Division. She ended her OAG career in the Transportation Division practicing Condemnation Law.

She has been in private practice since 2000, focusing primarily on property law and family law.


1988 – Doctor of Jurisprudence, University of Texas School of Law

1985 – Bachelor of Science, Zoology, University of Texas at Austin


2022 – Owner, DEL PRADO DIETZ, PLLC, San Marcos

2013-2021 – Owner, DEL PRADO DIETZ, PLLC, Luling and San Marcos

2000-2012 – Partner, Duvall Gruning & Dietz, PLLC, San Marcos

Associate, Duvall & Gruning, PLLC, San Marcos

Associate, Law Office of Charles C. Wright, Luling

1999-2000 – Assistant Attorney General, Office of the Attorney General Of Texas, Transportation Division, Austin

1993-1999 – Assistant Attorney General and Division Chief, Office of the Attorney General Of Texas, Crime Victim’s Compensation Division, Austin

1990-1993 – Assistant District Attorney, Misdemeanor Section Chief, Hays County District Attorney, San Marcos

Assistant County Attorney, El Paso County Attorney’s Office, El Paso


1989 – State Bar of Texas

1999 – United States District Court for the Western District of Texas


2006 – Case Law Update, CLE International, Eminent Domain Conference, Austin


Hays County Bar Association

Caldwell County Bar Association

Heritage Association of San Marcos

LBJ Museum of San Marcos, Board of Directors

St. Mark’s Episcopal Church