Jonathan is the president and founder of Guaranteed Financial. He started his career in the mortgage industry at the age of seventeen. After holding several positions among three different companies, he eventually became a Senior Sales Manager at a large mortgage company. At the age of twenty one, motivated by what he saw as inequities in the industry, he set out on the journey of creating a new type of Mortgage Company. One that wasn’t solely focused on its bottom line and the “profit maximization” approach of the time, but rather a company that would embed itself into the communities it served. A company that would leave a social impact.

Now in its twenty-second year of existence, Guaranteed Financial has maintained itself as a dependable and seamless source of residential financing for hundreds of families and borrowers and is now a staple in its headquartered town of Berwyn, Illinois. Together with his team of experienced and entrepreneurial-spirited mortgage professionals, Guaranteed Financial is on pace to grow substantially in the years to come.

Jonathan holds both a bachelor’s degree in Business Management as well as an MBA in Finance from DePaul University in Chicago. Jonathan recently served on the board of the MBA Association at DePaul University. Jonathan was also a member of a Honduras Microfinance Brigade team whose mission was to bring basic financial structures to villages across the impoverished country.

On his free time, Jonathan enjoys woodworking and traveling the world with his family. In the winter of 2025, Jonathan, along with his wife and two boys, visited their seventieth country.

Luis is Branch Manager of the near west suburb location of Guaranteed Financial which is located in Berwyn, Illinois. Luis leads a team of talented mortgage professionals and is responsible for originating mortgage loans as well as educating prospective borrowers on the multifaceted process of buying their first home. Luis holds the pivotal role of point person during transactions, including coordinating and communicating with realtors, attorneys, and title company personal. Luis is also directly responsible for collaborating with underwriters and their respective processors to ensure the execution and efficiency of the loan transaction.

Luis began his career as a Mortgage Loan Originator with Guaranteed Financial in 2004. In 2008, Luis took a leadership position with a large regional bank, where he further extended his already extensive experience in residential finance. In 2012, Luis returned to the Guaranteed Financial team to advance his career as a Mortgage Loan Originator. When not busy at work, Luis enjoys exploring his home city of Chicago by visiting as many of Chicago’s vast selection of restaurants as he can. Luis likewise has a passion for a wide range of music, from Chicago’s unique indie music to Contemporary Jazz. When he can, Luis likes mixing and combining existing music with different sounds and beats; creating new music for people to enjoy.

Anna oversees the entire Processing Department at Guaranteed Financial, including the various verification processes that take place throughout the transactions, the funding of residential mortgage loans, as well as the extensive quality control and audit procedures that insure that Guaranteed Financial continues to sustain itself above federal and state standards.

Anna started her career in the banking industry in 2002; fulfilling many roles at a local neighborhood bank. In 2006, Anna decided to join the Guaranteed Financial team. The experience and training Anna received during her tenure at her previous employer quickly propelled her to the management role she now holds. Throughout the years, Anna has developed an intricate system of processes and procedures that has reduced the turnaround time for loan closings to an average of three weeks.

Anna holds a bachelor’s in interdisciplinary and Justice Studies from NorthEastern Illinois University in Chicago, IL. When Anna is not occupied at work, she enjoys globe-trotting, camping, hiking and playing sports - especially rugby (she played for several years with the Chicago Sirens Rugby Team).

Anna also loves spending quality time with her niece and nephews.

Nancy is responsible for originating mortgage loans as well as providing an efficient and seamless process for her clients. With over ten years of residential and consumer lending experience, Nancy began her career with Guaranteed Financial in 2018 and is a member of the Berwyn, IL branch team. Throughout her time in the lending industry, Nancy has maintained that the key to a successful mortgage loan process is communication between all parties associated with a loan transaction which can include real estate agents and attorneys as well as the homebuyers/homeowners themselves. Nancy’s client-centered approach and consistent level of communication amongst team members and clients are what make her such a valuable asset to her clients and business partners.

In her free time, Nancy enjoys spending time with her beautiful family, biking the trails in her neighborhood, and making the most of Chicago’s unpredictable weather.

Solymar is responsible for originating mortgage loans as well as providing an efficient and seamless process for her clients. With over six years of residential and consumer lending experience, Solymar began her career with Guaranteed Financial in 2023 and is a member of the Berwyn, IL branch team. Throughout her time in the lending industry, Solymar has maintained that the key to a successful mortgage loan process is communication between all parties associated with a loan transaction which can include real estate agents and attorneys as well as the homebuyers/homeowners themselves. Solymar’s client-centered approach and consistent level of communication amongst team members and clients are what make her such a valuable asset to her clients and business partners.

In her free time, Solymar enjoys spending time with her daughter, biking the trails in her neighborhood, and making the most of Chicago’s unpredictable weather.

Mairead joined the Guaranteed Financial team in 2016. With her already extensive knowledge of real estate, property management, and finance in general, she fit right in. Being a real estate investor herself, she has been able to give clients valuable first-hand insight on the often times confusing topic. Mairead is responsible for originating any of the vast types of mortgage loans Guaranteed Financial has to offer. Mairead is also accountable for coordinating and communicating with clients, realtors, attorneys, and Title Company personal regarding the process of the loans she’s involved in.

Grisel is a Loan Officer with Guaranteed Financial, where she is dedicated to helping clients achieve their homeownership goals with clarity, care, and speed. She brings a strategic mindset and a client-first approach to every transaction, ensuring borrowers feel supported and empowered throughout the lending process.

Grisel is also the Founder & CEO of Avanza Strategies, a social impact consulting firm specializing in strategy, leadership, and organizational growth. With a background in education, entrepreneurship, and nonprofit leadership, she has spent her career uplifting communities and building solutions that create lasting impact. Lending is a natural extension of her work, allowing her to use her love of strategy and problem-solving in service of families and individuals. Above all, Grisel is passionate about creating pathways to wealth, freedom, and joy.

A proud Chicago native, Grisel holds a BA from Brown University and an MBA from Northwestern University’s Kellogg School of Management. She is a Surge Institute alum, President of the Brown Club of Chicago, and was named to Negocios Now’s 2019 Latinos 40 Under 40 list. In her free time, Grisel loves traveling the globe with her husband, daughter, and bonus son - but she’s especially on a mission to explore every corner of Mexico, one of the best places on earth.

Jose Treto has spent the past 10 years helping people turn their homeownership dreams into reality. He got his start as a loan officer assistant and quickly fell in love with the mortgage world. Today, as a loan officer with Guaranteed Financial, Jose is known for making the homebuying and refinance process feel less overwhelming and more empowering—especially for first-time buyers.

Whether he’s walking clients through loan options or answering questions at an open house, Jose is all about clear communication, trust, and making sure people feel confident every step of the way. He’s passionate about educating buyers and creating a smooth, stress-free loan experience from start to finish.

Learesi is responsible for originating any of the vast types of mortgages loans Guaranteed Financial has to offer.

Whether investing or purchasing your first home the process can be overwhelming, Learesi serves as a resource to all parties involved from client to business partners to ensure the process is as seamless as possible. Learesi takes a client-based approach coupled with clear and continuous communication to ensure her client needs are met and always at the forefront.

Learesi holds a Bachelor of Science from the University of Wisconsin-Madison and a Master of Arts Degree from Stanford University. She is passionate about educating the community about the multiple options available and aiding in building generational wealth.

In her free time, Learesi loves to travel the globe and spend time with friends and family. She enjoys attempting new baking recipes and exploring the city's restaurant and dessert scene as often as she can.

Erika is responsible for originating any of the vast types of mortgages loans Guaranteed Financial has to offer.

Whether investing or purchasing your first home, the process can be overwhelming, Erika serves as a resource to all parties involved from client to business partners to ensure the process is as seamless as possible. She takes a client-based approach coupled with clear and continuous communication to ensure her client needs are met and always at the forefront.

When she’s not in the office, Erika enjoys cheering on the Chicago Cubs, staying active through sports, volunteering with Centro Romero—an organization that supports immigrant families—and spending time at the beach with family and friends.

Jorge is a trusted Senior Loan Officer at Guaranteed Financial, proudly serving the Chicago area and beyond. With more than 15 years of sales experience and over 5 years specializing in mortgages, Jorge brings proven expertise and genuine care to every client relationship. He specializes in guiding first-time homebuyers, homeowners seeking refinances, and those navigating complex financing situations. Clients consistently appreciate his commitment to straightforward communication, responsive service, and tailored mortgage solutions designed to fit their unique goals—making the entire process smoother, more transparent, and far less stressful from start to finish.

As a lifelong Chicagoland resident from Cicero, Illinois, Jorge is deeply connected to the communities he serves. He is especially passionate about helping families—from all backgrounds—achieve the dream of homeownership through clear, personalized guidance and approachable support.

On a personal note, Jorge is a devoted family man who lives in the Chicago area with his wife and two daughters. He treasures quality time with his family and is an avid bowler who enjoys the camaraderie the sport brings. This same warmth, dedication, and reliability carry over into his work, where he is fully committed to helping clients take confident steps toward their homeownership goals.

Lizbeth works in our setup department. She assists the loan officers throughout the process, but in particular in setting up the files and getting them as prepared to go into underwriting as possible. In ensuring that all documents and processes have been executed correctly, she has a direct hand in our amazing average closing turn time of just under three weeks.