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Tina M. Martinez
Office Manager and Administrator

Tina Martinez is the Office Manager and Administrator at Kolko & Associates, P.C.  Tina oversees all aspects of the Firm's business administration and management.  She also supervises and manages removal litigation matters, family-based immigration cases, non-immigrant visas, and naturalization cases.  Tina has worked with Mr. Kolko for more than 18 years and plays an important role  ensuring the smooth running of the firm’s operations. 

Tina has a Paralegal Certificate from the University of Colorado at Denver, and more than 31 years of professional experience as a paralegal, professional legal secretary and administrator at law firms, including those involved with immigration, personal injury, insurance defense, workers' compensation, criminal law, family law, bankruptcy, and real estate. 

Tina has been a member of the Colorado Hispanic Bar Association since 1985. 

In addition to her dedicated professional work, she has personal interests in Native American Culture, children’s rights, health and exercise, and enjoying the outdoors of Colorado. She is also devoted to her family.  Tina has one adult son and two beautiful granddaughters.  Tina is a devoted parent raising two young nieces, while being the proud godmother to 16 children.



Margaret Mountain
Senior Paralegal


Margaret Mountain is a Senior Paralegal at Kolko & Associates, where she specializes in various complex immigration cases including EB-1 Petitions (extraordinary aliens & athletes), Appeals and Motions.   She has been a valuable member of the firm’s professional staff since 2005.

Margaret earned her Bachelor of Arts Degree in Communication from Metro State University in 1980 and her Master of Arts Degree in Communication Studies from the University of Northern Colorado in 1990. 

Margaret is a certified mediator and has a Certificate in Paralegal Studies from the Denver Paralegal Institute.  Margaret brings a broad range of professional legal experience to her work at Kolko & Associates, P.C. as she has worked in a variety of legal settings, including the District Attorney’s Office, and in law firms practicing criminal defense, civil litigation, family law, and plaintiff’s personal injury law.

In the 1990’s, Margaret was the legislative aide to the Colorado House Minority Leader, where she encountered the realities and roadblocks of passing legislation.  Margaret has two grown children and has the experience of being a small business owner. 


Gicela Paccione
Administrative Specialist


Gicela Paccione is an Administrative Specialist whose concentration is in finance and administration. Since joining Kolko & Associates, P.C. in 2012, Gicela has specialized in accounts payable, accounts receivable, financial reports, banking and billable hours. She also assists in professional translations and interpretations as well as any other special projects within the Firm.

Prior to joining the Firm, Gicela worked at an international relocation company as a Global Specialist focusing on the worldwide relocations for Fortune 500 clients. 

From 2003 to 2010, Gicela held a prominent position at the Mexican Consulate in Denver. Her position required firsthand experience in immigration and legal matters for Mexican citizens currently residing in the state of Colorado and Wyoming. She provided assistance in various aspects of identity documentation such as Passports, Consular Identification Cards, and Birth Certificates. 

Gicela is a native of Mexico and obtained her Bachelor’s Degree in Accounting. She moved to Denver in 2002 and is a proud citizen of the United States. She enjoys physical fitness, being a part of her church choir, and has a strong dedication to her family and community.



Hye Jun Yoon
Case Manager

Hye Jun Yoon is a Senior Paralegal at Kolko & Associates, where she currently specializes in employment-based residency, non-immigrant investor visas, religious workers and special immigrant petitions.   She has also gained experience in the field of family-based immigrant cases and she regularly assists the Firm with the needs of all our Korean-speaking clientele.

Hye Jun is a skilled bilingual communicator, and has been one of the firm’s Korean Translators since 2005.  She participates in many client meetings with the attorney and carefully guides the communications between English & Korean.  Her duties have included interpreting at immigration interviews and at the Immigration Court, as well as supervising the firm’s document translation services.   She has also assisted with translating at legal seminars before several Korean Civic Associations.

Hye Jun is a proud 2009 graduate of the University of Colorado, where she earned a Bachelor of Science Degree in Accounting.  She is a member of the Public Accountants Society of Colorado.   She is also involved with many outdoor activities, her family and the community. 


Leanne (Gun Jeung) Grealy  
Paralegal and Korean Translator

Leanne Grealy (formerly Gun Jeung Lee) joined Kolko & Associates, P.C. in 2015.

Leanne is an experienced Korean and English bilingual translator and interpreter. Prior to joining our team, she had the dual role of an ESL teacher and liaison in between English speaking staff and Korean speaking staff at various private schools in South Korea.

Leanne was born and raised in Seoul, South Korea. In 2004, she received a Bachelor’s Degree in Linguistics from the Ohio State University.

In her free time, Leanne enjoys reading, playing music, knitting and spending time with her family.


Aminta Menjivar

Aminta Menjivar HeadshotAminta Menjivar is a Legal Assistant at Kolko and Associates, P.C., where she focuses on family-based immigration cases. Aminta was born in El Salvador and immigrated to the United States when she was ten years old. 

Aminta is a 2014 graduate of the University of Denver (DU), where she studied International Business. While at the DU, Aminta was a Puksta Scholar and mentored undocumented high school students so they would not give up on their dream to attend college. 

Aminta's passion to help make the U.S. Immigration System more humane led her to volunteer at a family immigration detention center in Dilley, Texas. She spent several months helping asylum seekers from Central America stay in the United States to fight their cases for asylum.

Aminta is bilingual in English and Spanish and also speaks conversational Japanese and Portuguese. In her free time, Aminta enjoys reading, learning about languages and cultures, and spending time with family and friends.


Veronica Torok

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Veronica Torok joined Kolko & Associates, P.C., as a paralegal and relocated to Colorado in 2017.

Veronica earned her bachelor’s degree in Spanish and Communications from Fordham University, where she graduated summa cum laude. Veronica’s professional experience includes working in New York City as an immigration paralegal for a non-profit organization, working as an English as a Second Language Teacher in Spain, and facilitator of study abroad and international student exchange programs at the university level.

Veronica grew up in a military family and has lived in eight states and three countries. Moving nationally and internationally taught Veronica the importance of cultural exchange and how to deal with the challenges of starting over. She is committed to helping immigrants and refugees build successful lives in their adopted country.

Veronica plays soccer, runs, hikes, skis and climbs, and enjoys reading and drawing.


Owen Ziegler 
Senior Paralegal 

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Owen Ziegler joined Kolko & Associates, P.C. in August of 2015.

Owen is a Colorado native and a 2013 graduate of the University of Colorado at Boulder, graduating summa cum laude. Owen is fluent in Spanish and Portuguese and has been working as a professional paralegal and interpreter since 2013.

Owen serves as the Secretary and Communications Chair on the Board of the Colorado LGBT Bar Association as well as the Board of the Gender Identity Center, the Rocky Mountain Region’s largest community and healthcare center for transgender and gender variant people. 

Owen’s work often focuses on vulnerable populations, including asylum seekers, LGBT immigrants, and victims of crimes.

In his free time, Owen volunteers translation and interpretation services for the Rocky Mountain Immigrant Advocacy Network (RMIAN), and spends time enjoying Colorado with his wife and puppy.


Alejandra Ramirez

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Alejandra Ramirez joined Kolko & Associates, P.C. in 2017.

Alejandra attended the University of Colorado at Boulder where she earned her Bachelor of Arts degrees in Integrative Physiology and Psychology. Alejandra has worked as an immigration paralegal since 2015, where she has become experienced in family based cases, waivers, criminal defense and removal proceedings.

Alejandra was born in Los Angeles, California and is a daughter of immigrants. She has always had a passion for immigration and helping others. She enjoys giving back to the community and has been a volunteer at Denver Health, since 2006.

In her free time, she enjoys yoga, crossfit, traveling and spending time with her family.


Erika Tamez


Erika Tamez is a Paralegal for Kolko & Associates, P.C., where she specializes in family-based immigration, waivers of inadmissibility, and naturalization.

Erika has more than five years of experience in immigration law and is bilingual in English and Spanish. She joined Kolko & Associates, P.C. in 2015 and is excited to be part of such a professional, hard-working team helping clients achieve their immigration goals in the United Sates.

Erika was born and raised in San Diego, California and relocated to Colorado from Texas with her family in 2014. After moving to Colorado, she immediately fell in love with the beautiful scenery, weather, and the friendly people.

In her free time, Erika likes to cook, bake, read a good book, and spend quality time with her family.

Andrea Salas
Legal Assistant

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Andrea Salas joined Kolko & Associates, P.C. as a legal assistant in 2017, after relocating to Colorado from Miami, Florida. 

Andrea graduated from Florida State University (FSU) in 2017 with a Bachelor of Science Degree Criminology and Philosophy. While attending FSU, Andrea volunteered for a non-profit organization as a bilingual teacher and mentor at local primary and secondary schools. 

Andrea was born in Venezuela and immigrated to the United States when she was seven years old. As she watched her family struggle to start a new life in a new country, she gained a passion for immigration law and wanted to help others through the process. Now fulfilling that passion, she takes pride in her work and enjoys the privilege she has to help others who share a similar story with her. 

In her free time, Andrea enjoys reading, traveling, cooking, and hiking. 



Fanny Amaya
Client Services Assistant

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Fanny Amaya joined Kolko & Associates, P.C. in March of 2017.

A native of Chihuahua, Mexico, Fanny has lived in the United States since 2000. Fanny is bilingual in English and Spanish and enjoys helping clients with their cases in both languages. Fanny graduated from Bishop Machebeuf High School in 2016. She plans to attend Metropolitan State University to study criminal justice in the future.

Fanny has volunteered with the Aurora Police Department taking police reports and is enthusiastic about law enforcement and immigrants’ rights.

In her free time, Fanny enjoys spending time with her family and her dog.


Erica Villareal
Client Services Assistant

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Erica Villreal joined Kolko & Associates, P.C. as a Client Services Assistant in September 2017.

Erica is a member of Rocky Mountain Paralegal Association and is currently working towards a Bachelor’s Degree in Business as well as a Paralegal Certificate at Front Range Community College.  Her passion is making a difference in people's lives.

Erica was born in California and raised in Texas. She and her husband have resided in Colorado for 15 years, where they are raising their very active children. She is bilingual in English and Spanish. 

In her spare time, Erica enjoys spending time with her family, reading, running, and watching her children compete in sports. 

Gabriela E. Perez
Legal Assistant

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Gabriela Perez is a Legal Assistant with Kolko & Associates, P.C. Gabriela began working with our office in 2013 as a law clerk and office assistant, and has been a valuable member of our team since that time.

A Colorado native, Gabriela attended Community College of Denver and graduated in 2015 with an Associates of Science Degree in criminal justice.

Gabriela is bilingual in Spanish and English. In her free time, Gabriela enjoys spending time with her family and friends, traveling, and enjoying concerts.


Heeyeon (Karen) Kim
Legal Assistant

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Heeyeon “Karen” Kim joined Kolko & Associates, P.C. in the spring of 2018. Heeyeon holds a Bachelor’s Degree in International Relations and English Literature from Seoul Women’s University. Heeyeon has had a passion for Korean-English instruction since her time at university.  She spent over 10 years teaching English in South Korea to all levels of students and professionals. 

Heeyeon discovered her passion for immigration law after going through the immigration process herself.  Heeyeon has traveled to Asia, Europe, and studied in Australia and met people of all cultures. Through these encounters she has learned how important it is support people from all backgrounds.

In 2014, Heeyeon immigrated from South Korea to Colorado.  Since then, she has grown to love running, snowboarding and backcountry hiking. She has also discovered a passion for baking and enjoys creating treats for family and friends.


Tanelia Astorga
Client Services Assistant

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Tanelia Astorga joined Kolko & Associates, P.C. in February of 2018.
Born in Los Angeles, California and raised Durango, Mexico, Tanelia has lived in Colorado since 2001.

Tanelia is fluent in English and Spanish and enjoys helping and interacting with clients. Tanelia graduated from Jefferson High School in 2009 and is passionate about helping others. In 2017, Tanelia graduated from Metropolitan State University with a Bachelors of Science in Criminal Justice and Criminology and a minor in Spanish. Tanelia is also a member of the National Society of Leadership and Success (NSLS).

In her free time, Tanelia enjoys reading and investigating more about her favorite novel, El Ingenioso Hidalgo Don Quixote De La Mancha. She also enjoys sports, spending time with friends and family, gardening, cooking, and connecting with people.

Genesis Samarripa

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Genesis Samarripa joined our team as a paralegal in August of 2018. Genesis has worked in the field of immigration since 2014, and is experienced in family-based immigration, removal defense, waivers, asylum, VAWA, U Visas and non-immigrant work visas.

In 2015, Genesis earned her Bachelor of Arts degree in Sociology and Ethnic Studies from the University of Colorado at Boulder.

Genesis is fluent in both English and Spanish. She enjoys interacting and working with clients from diverse backgrounds. As a child of Mexican immigrants, she is passionate about her work and hopes to continue assisting clients from around the world with their immigration needs for a long time.

Genesis was born and raised in Colorado and she enjoys spending her spare time with her family and friends, traveling, hiking, going to concerts, cooking, and reading.

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Kolko & Associates, P.C.
303 East 17th Avenue
Suite 585
Denver, Colorado 80203

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Kolko & Associates is a full service immigration and naturalization law firm providing professional legal services to individuals and businesses throughout Colorado, the Rocky Mountain West, the United States, and the World. Our professional staff speaks English, Spanish, Korean, and Portuguese and we can arrange for translators in any other language.