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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.



Danelle Fifer
Client Services Manager

Danelle Fifer is the Client Services Manager at Kolko & Associates, where she oversees and supervises a broad range of cases including employment based immigrant visa cases, non-immigrant investment cases, non-immigrant workers, international intra-corporate transfers and Deferred Action for Childhood Arrivals (DACA).   Danelle has a broad range of experience in the field of immigration and brings over 10 years of professional experience to her work at Kolko & Associates, P.C.

Danelle is a Colorado native and earned her Bachelor of Arts Degree in history (with a minor in political science) from Colorado State University in 1999.  She has also earned a professional certificate from the Denver Paralegal Institute in 2001.

In addition to her dedication on behalf of her clients at the firm, Danelle is committed to a variety of volunteer projects.  She has made appearances at Legal Night, where she provides free information about immigration law to members of the community.  She also volunteers in the Western History Genealogy Department at the Denver Public Library.  Danelle’s immigration work has heightened her appreciation for world cultures.  She travelled to Italy in 2010, and is planning a trip to Africa in the coming years.

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. 



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. 

Ye Rin Sung
Legal Assistant

Ye Rin Sung

Ye Rin Sung joined the Kolko and Associates, P.C. in June 2014 where she works as legal assistant and Korean translator. Ye Rin graduated from the University of Colorado at Boulder in 2009 with a Bachelor of Arts degree in Psychology. While she was attending CU, she participated in the Advancement via Individual Determination (AVID) Program which supports first-generation college-bound students.

After graduation, Ye Rin worked as an administrative and marketing assistant with a research based program that helps non-native speakers overcome their English Speech disadvantage. From her interactions with scores of international students and their families, her passion to understand different cultures led her to the field of immigration law.

Ye Rin was born in South Korea, and has been living in United States for the past 10 years. She enjoys playing tennis, traveling, and trying out different ethnic food.


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.

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.


Valentina Contreras

Valentina Contreras

Valentina earned her Bachelor of Arts degrees in International Affairs and Spanish from the University of Colorado at Boulder in 2012. It was in college where she developed her passion for immigration and education, teaching in bilingual schools and after school programs, as well as volunteering for a number of nonprofits.

Valentina has workd as an immigration paralegal since 2013, where she has become experienced in family based cases, waivers and removal proceedings.

Valentina is a native of Chile, but she has resided in the United States for the last 13 years. She enjoys traveling, volunteering and hiking.

Aminta Menjivar
Legal Assistant

Aminta Menjivar Headshot

Aminta 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. As a result, Aminta has experienced US Immigration Law first-hand.

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. As a Puksta Scholar, Aminta 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 protection.

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.


Owen Ziegler 

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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.

Veronica Torok

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


Chelsea Quilling

Chelsea Quilling Photo

Chelsea Quilling joined Kolko & Associates, P.C. as a paralegal in July 2017. Prior to joining Kolko & Associates, Chelsea worked as an immigration paralegal for a high-volume business immigration practice focusing on nonimmigrant matters. She has worked in the field of immigration since 2014 and is especially passionate about the unique immigration challenges facing employers.

In 2012, Chelsea earned a Bachelor of Arts degree in Latin American Studies from Gonzaga University. While at Gonzaga, Chelsea completed an internship with the Department of State’s diplomatic mission to La Paz, Bolivia.
Chelsea is passionate about community service. Her professional and volunteer experience has centered on intercultural exchange. She is an active member of WorldDenver, a non-profit organization which engages the public, civic leaders and politicians in dialogue on global issues. She also volunteers Naturalization clinics and welcome events for newly arrived refugees.

Chelsea is a Colorado native and loves the outdoors. In her free time, she enjoys traveling, hiking, rowing, making art, and cooking.

Mayra Zamora
Client Services Assistant

Mayra Zamora Photo

Mayra A. Zamora joined Kolko & Associates, P.C. at the end of 2016 as Client Services Assistant.

Mayra assists our clients in scheduling new consultations and appointments. She prepares professional document translations, provides interpretation and assists with special administrative tasks within the Firm.

Prior to joining Kolko & Associates, P.C., Mayra gained experience working in the legal field at criminal defense and immigration law firms. Mayra is passionate about immigration, our clients and ensuring that our clients are treated with the utmost respect and receive the highest level of customer service.

A native of Durango, Mexico, Mayra is fluent in Spanish and English. She currently attends the Community College of Denver and is working towards an Associate’s Degree in Political Science. Mayra is also a member of the Dreamers United Organization where members help other students continue their dreams of a higher education regardless of their legal status.
In her free time, Mayra enjoys spending time with her family and friends, hiking, reading and traveling.


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

Erica Villarreal Photo

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. 


Karina Carlton

Karina Carlton Photo

Anna “Karina” Carlton joined Kolko & Associates, P.C. in 2014 as an immigration paralegal.

Karina was born and raised in Monterrey, Mexico where she obtained her Law Degree from Facultad Libre de Derecho de Monterrey in 2004. She practiced Family, Labor, Immigration and Corporate law in Mexico for 6 years.

In 2013, Karina and her husband moved to Colorado to enjoy the mountains and all the wonderful things that Colorado offers to the young families.

After experienced her entire immigration process first-hand in the United States, Karina found her passion for helping others with their immigration matters. She finds personal satisfaction working as a paralegal in the immigration field where she has the opportunity to fulfill people’s dreams, working with a legal team that help immigrants pursue the opportunity of a better job, education, safety from persecution and in many cases, simply being with their family.  This is a unique experience to look forward every day.

Karina enjoys practicing yoga and spending time with her family and friends.                                    

Alejandra Ramirez

Alejandra Ramirez Photo

Alejandra Ramirez joined Kolko & Associates, P.C. in September of 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.

Andrea Salas
Legal Assistant

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

Andrea graduated from Florida State University 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. 

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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.