Andres O.

What do you want to work on?

About Andres O.

Subjects

Algebra, Algebra 2, Calculus, Pre-Calculus

Education

Bachelors in Chemical Engineering from Universidad Nacional de Colombia

Career Experience

I'm a chemical engineer and working in modeling and automatic control of processes. I work as a researcher developing innovative projects, making real the advances from science to industry. Being part of the academic community, I have the opportunity to teach in universities and faculties. Transmission of knowledge is the key to guarantee the continuous improving of human beings and our society. With the academics, you not only learn about concepts and theories, but how to be a curious person, to think by yourself and to help others to become the best version of themselves.

I Love Tutoring Because

it is a great chance to demonstrate that our differences in culture, location and language are not drawbacks to building a better future and to helping to each other. Besides, by teaching, I learn each day something new about myself and about the things I believe I know already.

Other Interests

Computer programming, Dancing, Foreign language learning, Photography, Programming, Traveling, Watching Movies

Reviews (3,278)

Aditya

Math - Algebra

Oct 9, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Oct 9, 2025

Thanks Andres!

Logan

Math - Algebra II

Oct 8, 2025

he was a helpful as he could be.

Jackson

Math - Algebra II

Oct 8, 2025

The goat

Aditya

Math - Algebra

Oct 6, 2025

Thank you so much Andres!

Abdullah

Math - Algebra

Oct 6, 2025

I don't have anything to say

Aditya

Math - Algebra

Oct 3, 2025

Thanks Andres!

Aditya

Math - Algebra

Oct 3, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Oct 2, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Oct 2, 2025

Thanks Andres!

Salvatore

Math - Calculus

Oct 2, 2025

A very bright person!!

Matthew

Math - Algebra II

Oct 1, 2025

Andres was a huge help, patient, and answered my questions

Alonzo

Math - Algebra

Oct 1, 2025

Really good pace and understanding.

Stanley

Math - Algebra II

Oct 1, 2025

Very excellent tutor

Aditya

Math - Algebra

Oct 1, 2025

Thanks Andres!

Aditya

Math - Algebra

Sep 30, 2025

Thank you so much Andres!

Hope

Math - Algebra II

Sep 29, 2025

The scooter was horrible I came out more confused than I was going in

Aditya

Math - Algebra

Sep 29, 2025

Thank you so much Andres!

Janelle

Math - Algebra II

Sep 26, 2025

my tutor was amazing really helped me out and got it done I feel so much better about graphing equations

Aditya

Math - Algebra

Sep 26, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Sep 25, 2025

Thank you so much Andres!

Robbie

Math - Algebra II

Sep 25, 2025

mr.andres was so patient with me on today it really blessed my heart because it's frustrating trying to understand this

Aditya

Math - Algebra

Sep 24, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Sep 23, 2025

Thank you for the amazing session Andres!

Aditya

Math - Algebra

Sep 22, 2025

Thank you so much for your hard work Andres

Gurjo

Math - Algebra II

Sep 22, 2025

This is an amazing tutor, he taught me how to graph piecewise functions and he was the only one that was able to do it. I really appreciate him because not even my teacher at school could do that. Super nice tutor and he explains everything in a way that anyone could understand.

Aditya

Math - Algebra

Sep 20, 2025

Thank you so much ANdres!

Jordan

Math - Algebra II

Sep 19, 2025

he was very thorough in his explanations.

Aditya

Math - Algebra

Sep 19, 2025

Amazing session with ith Andres! Really appreciate his hardwork

Ricardo

Math - Algebra II

Sep 18, 2025

this is great

Aditya

Math - Algebra

Sep 18, 2025

That was a super fun session with Andres! Thank you so much!

Cristal

Math - Algebra II

Sep 17, 2025

he was so helpful!!

Vatina

Math - Algebra II

Sep 17, 2025

strait to the point and very clear

Aditya

Math - Algebra

Sep 17, 2025

AMAZING session with Andres!

Amy

Math - Algebra II

Sep 16, 2025

He was FANTASTIC and so helpful.

Jennifer

Math - Calculus

Sep 16, 2025

Andres was super helpful and patient while explaining. He broke things down in a way that finally made sense and never once made me feel embarrassed for not getting it right away. He really took his time and made sure I understood each step before moving on. He even created different version of the problems.

Aditya

Math - Algebra

Sep 16, 2025

Really appreciate Andres hardwork

Susana

Math - Pre-Calculus

Sep 15, 2025

This is my first time using live tutor and I'm so glad. Especially with this tutor, he was phenomenal! He made the material more clearer to understand.

Aditya

Math - Algebra

Sep 15, 2025

Thank you so much Andres!

Valerie

Math - Algebra II

Sep 15, 2025

really helpful

Wedzervil

Math - Pre-Calculus

Sep 14, 2025

great tutor, he is the best

Wedzervil

Math - Pre-Calculus

Sep 14, 2025

good

Aditya

Math - Algebra

Sep 14, 2025

Thank you so much Andres!

Aditya

Math - Algebra

Sep 12, 2025

Thanks Andres

Francisco

Math - Algebra

Sep 12, 2025

my tutor was great at explaining how to solve problem solve the work and shared the formulas needed to do so.

Valerie

Math - Algebra II

Sep 12, 2025

Really took the time to explain. Very helpful

Aditya

Math - Algebra

Sep 11, 2025

Thanks Andres for an amazing class! I really appreciate your hard work

Wesli

Math - Calculus

Sep 10, 2025

Andres was great! He assured me of my answers and made me confident about my work! Will definitely add him to my favorites.

Lisa

Math - Algebra

Sep 8, 2025

helped me figure out what i did in correctly on my problem

Abdullah

Math - Algebra II

Sep 8, 2025

I don't think you will read this if you do email me

Shantell

Math - Pre-Calculus

Sep 8, 2025

Andres was really nice. He was a big help,he didnt just give me the answer i was looking for. He allowed me to explain step by step how I got what i got and he corrected me along the way. at the end of the call he recapped from his perception on what I am doing well at and what needs a little extra attention to avoid errors in the future.

Aditya

Math - Algebra

Sep 8, 2025

Thanks Andres!

Widman

Math - Pre-Calculus

Sep 5, 2025

The session was cut off in the middle. I’m sure it was because of technical issues.

Luka

Math - Calculus

Sep 4, 2025

Best helper ever!

Luka

Math - Calculus

Sep 4, 2025

Had a rough day of being burnt out from assignments and he helped me a lot and dealt with me haha.

Jenmy

Math - Algebra II

Sep 4, 2025

Andres was an excellent tutor.

Aditya

Math - Algebra

Sep 4, 2025

Andres is the best tutor here! Please add a schedule a session button on his profile. I would love to schedule fixed sessions with him.

STEPHANIE

Math - Algebra

Sep 3, 2025

This was very helpful!

Aditya

Math - Algebra

Sep 3, 2025

AMAzing session

Aditya

Math - Algebra

Sep 2, 2025

Thanks Andres!

Kelly

Math - Algebra II

Sep 2, 2025

My tutor explained topic very well

Aditya

Math - Algebra

Sep 1, 2025

Great session with andres

Victor

Math - Algebra

Aug 29, 2025

very kind and helpful

Aditya

Math - Algebra

Aug 29, 2025

Andres is a really hardworking tutor

Aditya

Math - Algebra

Aug 28, 2025

Andres is my favorite tutor! He is the most helpful and is very knowledgeable

ValedaKeys

Math - Algebra II

Aug 26, 2025

Very nice tutor and vey knowledgeable

Matthew

Math - Calculus

Aug 25, 2025

good tutor

Aditya

Math - Algebra

Aug 25, 2025

He explains brilliantly. Andres is a great teacher

Lisa

Math - Algebra

Aug 23, 2025

Andras was very helpful and professional. and very patient.

Elizabeth

Math - Pre-Calculus

Aug 23, 2025

I was hoping to do more of the problem with guidance, rather than have the problem done mostly for me. I was less engaged.

Christopher

Math - Algebra II

Aug 22, 2025

uh idk I didnt even get too him

Versayce

Math - Algebra II

Aug 21, 2025

He's really good with matrices.

Gage

Math - Algebra

Aug 20, 2025

Aditya

Math - Algebra

Aug 16, 2025

Andres really helped me understand the questions and spent lots of time helping me understand well

EnzoNicholas

Math - Algebra II

Aug 13, 2025

Great help!

ABRIELLA

Math - Calculus

Aug 5, 2025

He was extremely helpful and he helped me understand what everything meant before jumping into the problems themselves.

Shaila

Math - Calculus

Aug 4, 2025

Great tutor, So thankful for all this tutor. Making a huge difference in students life when we have amazing tutor that enjoy teaching. Thnak you again

Alexis

Math - Algebra II

Aug 2, 2025

Andres was amazing! He broke the system down into visual and tactile representations, making it easier to understand :)

Shaila

Math - Calculus

Jul 31, 2025

great tutor, very helpful

Charles

Math - Calculus

Jul 29, 2025

Instructor did a great job explaining.

TG

Math - Calculus

Jul 29, 2025

great explanation, answered all questions!

Shaila

Math - Calculus

Jul 29, 2025

Great tutor, Very helpful and i feel like i understand the probblems 10 times better

Shaila

Math - Calculus

Jul 23, 2025

Great tutor, Very helpful in every way. super grateful for all the amazing tutor.

Nicolas

Math - Algebra II

Jul 22, 2025

He did a great job answering my questions.

Alex

Math - Calculus

Jul 22, 2025

Quick, efficient, excellent help every time!

Alex

Math - Calculus

Jul 21, 2025

Exceptional help! Thank you!

Briana

Math - Pre-Calculus

Jul 17, 2025

helpful and asked me to explain the next step instead of guiding me through. Made me look at the info provided to see all the data was right in front of me

Mia

Math - Algebra II

Jul 17, 2025

thank you

Shannon

Math - Algebra II

Jul 16, 2025

My tutor was awesome!! He really made me understand the material a lot better

Shaila

Math - Calculus

Jul 15, 2025

Great tutor very helpful in every way

Raquel

Math - Pre-Calculus

Jul 14, 2025

He was very helpful in understanding the material. He did a wonderful job

Ojana

Math - Pre-Calculus

Jul 14, 2025

Very helpful and thorough throughout the entire process. I left a lot more confident. :)

Shaila

Math - Calculus

Jul 9, 2025

One of the best tutor out there very helpful in every way. I understand the problem so much more

Shaila

Math - Pre-Calculus

Jul 9, 2025

Wonderful tutor, Very helpful in every thank you.

Nicolas

Math - Algebra II

Jul 8, 2025

He was very thorough and helped me to understand the concepts.

Alex

Math - Calculus

Jul 3, 2025

Explained how limits are read and gave helpful alternate resources to use.

Samuel

Math - Calculus

Jul 3, 2025

The tutor was fantastic! I am able to use him as a backbone rather than rely soley on him to do the work for me.

Joanna

Math - Algebra II

Jul 2, 2025

tutor was great

Joanna

Math - Algebra II

Jul 2, 2025

jlh966@lindenwood.edu

Denetra

Math - Algebra

Jun 27, 2025

Wonderful!

Kai

Math - Algebra II

Jun 25, 2025

loved it !

Samuel

Math - Calculus

Jun 25, 2025

Dude...this allows me to focus on completing/reviewing appropriately without cheating myself. I have someone to assist if needed, but not to do it for me!

Sherry

Math - Algebra II

Jun 23, 2025

He is already one of my favorites I thought.

Dorothy

Math - Algebra II

Jun 19, 2025

I really like the tutors I have had

Fatima

Math - Algebra

Jun 10, 2025

10/10

Ivy

Math - Algebra II

Jun 10, 2025

I dont feel like I got anywhere,I stated what I was confused about.I didn't get help but was given great suggestion that I will use.

Cheryl

Math - Algebra II

Jun 3, 2025

Efficient

Jose

Math - Calculus

Jun 3, 2025

very knowledgeable

Chanel

Math - Calculus

May 29, 2025

This tutor was super neat and organized. He helped so much. Thanks for all of the help.

Gene

Math - Algebra

May 27, 2025

IT MADE A LOT OF SENCE

Jose

Math - Calculus

May 27, 2025

very knowledgeable

Emely

Math - Algebra

May 26, 2025

Straightforward and very efficient help. Thank you for this service!

Patreek

Math - Algebra II

May 26, 2025

Very helpful, saved my review's and gave me great methods to solve the math problems.

Jose

Math - Calculus

May 26, 2025

knows the theory, great tutor

Hector

Math - Algebra II

May 24, 2025

Andres, has been exemely patient with me in all that he has has helped me with.

Neehal

Math - Algebra

May 22, 2025

Brilliant service

Jordan

Math - Calculus

May 20, 2025

Andres was great!

Yelena

Math - Algebra

May 20, 2025

amazing help, thank you so much!

MARIAM

Math - Calculus

May 19, 2025

Very good, helped me understand the area and FTC :)

Jose

Math - Calculus

May 19, 2025

Good help found here!

Jose

Math - Calculus

May 19, 2025

very knowledgeable

Cheryl

Math - Algebra II

May 19, 2025

clear concise communication

Rosa

Math - Calculus

May 18, 2025

Wonderful, patient, kind with his thorough explanation. He ensures that the content is understood. I appreciate him very much!

Petrina

Math - Algebra II

May 16, 2025

n/a

Elle

Math - Pre-Calculus

May 13, 2025

great!!!

Riley

Math - Calculus

May 11, 2025

Very good tutor!

Amelie

Math - Pre-Calculus

May 9, 2025

helpful

Quandasha

Math - Algebra II

May 6, 2025

Awesome!

Ebony Brown

Math - Algebra II

May 5, 2025

Explained it very well, thank you.

Ava

Math - Algebra

Apr 28, 2025

he is a great tutor

Reyli

Math - Calculus

Apr 25, 2025

My tutor clarified my doubts and gave great explanations.

Jacqueline

Math - Algebra II

Apr 25, 2025

Andres was very helpful!

Felicia

Math - Algebra II

Apr 24, 2025

Very Helpful.

Tiffany

Math - Algebra II

Apr 23, 2025

Using tutors with strong accents, is hard to understand what is said by them.

Carlos

Math - Algebra II

Apr 22, 2025

Great tutoring session!

Griselda

Math - Algebra II

Apr 22, 2025

Oh my, you have been such a great help, despite life's difficulties. Especially with sick parents : ) God bless you always!

Andres

Math - Algebra

Apr 21, 2025

understood really well.

Mohammad

Math - Algebra

Apr 21, 2025

This is amazing!!!

Roxanna

Math - Algebra

Apr 21, 2025

tutor help me understand the graph and connecting the points on the graph.

Hope

Math - Calculus

Apr 17, 2025

Amazing Tutor, Explained better than my math teacher

Shaila

Math - Algebra II

Apr 17, 2025

Wonderful tutor. Very helpgul

Cedrick

Math - Algebra II

Apr 15, 2025

N/A

Shaila

Math - Algebra II

Apr 15, 2025

Great tutor. Very helpful in every way.

Joseph

Math - Algebra II

Apr 15, 2025

Really nice and patient help with exactly what I needed.

Denne

Math - Pre-Calculus

Apr 11, 2025

Andres was great! Big help!

Ariel

Math - Algebra II

Apr 11, 2025

My tutor was really helpful and patient

Alicia

Math - Calculus

Apr 10, 2025

Wonderful

Riley

Math - Calculus

Apr 9, 2025

Great tutor!

Travis

Math - Algebra II

Apr 8, 2025

Always a great help

Travis

Math - Algebra II

Mar 31, 2025

Great explainer

Shaila

Math - Algebra II

Mar 31, 2025

Great tutor.

Christian

Math - Pre-Calculus

Mar 27, 2025

Excellent session. He took the time to explain things to me and to help me out. The work was not easy and I appreciate his patience and concise.

Roshanna

Math - Algebra

Mar 27, 2025

I like how he toke his time to help m e with my questions

Kariel

Math - Calculus

Mar 27, 2025

Was very helpful and had notes ready to tutor me

Carolina

Math - Calculus

Mar 26, 2025

excellent

Morgan

Math - Algebra II

Mar 25, 2025

hard work but will pay off soon

Christian

Math - Pre-Calculus

Mar 25, 2025

Good Job.

Shaila

Math - Pre-Calculus

Mar 25, 2025

Great tutor

Jacqueline

Math - Algebra II

Mar 24, 2025

Andres was amazing, very helpful and patient with me. He even gave me some tools to memorize the steps. Thanks Again!!

Shaila

Math - Algebra II

Mar 21, 2025

Great tutor. Thank you so much

Shaila

Math - Algebra II

Mar 18, 2025

Great tutor, Very helpful. Thank you so much

Tyrese

Math - Calculus

Mar 13, 2025

Great job explaining.

Dereon

Math - Algebra II

Mar 13, 2025

Helpful!!

Chiarra

Math - Calculus

Mar 13, 2025

genuinely one of the best tutors i have ever had on this site.

Maxwell

Math - Algebra II

Mar 13, 2025

I haven’t used this yet but that stubborn streak needs to end because this was extremely helpful! My tutor was wonderfully patient and helped me greatly with my problem, explaining where I made a mistake and helping me identify how to fix it on my own.

Dorothy

Math - Algebra II

Mar 11, 2025

andres was extra helpful explaining interval notation.

Prentice

Math - Algebra II

Mar 7, 2025

get help just wish we had mor time

Mal

Math - Calculus

Mar 6, 2025

super nice guy, very fun session!!

Abdulaziz

Math - Pre-Calculus

Feb 27, 2025

It was very awesome ,great help I got it from this session.

Dimitris

Math - Algebra

Feb 27, 2025

I understand 4^67

Yannick

Math - Algebra

Feb 25, 2025

its very helpful and the people are very observant to the problems

Kim

Math - Algebra II

Feb 21, 2025

Helped by leading me where I needed to be. He was patient and understanding.

Samuel

Math - Algebra II

Feb 20, 2025

I was completely lost on several areas of my current assignment. This tutor was extremely helpful in assisting my understanding of the concepts that I was being confronted with.

Shawn

Math - Pre-Calculus

Feb 18, 2025

was really helpful made the problem understandable.

Taylor

Math - Calculus

Feb 17, 2025

I couldn't figure out how to send messages

Nusrat

Math - Pre-Calculus

Feb 17, 2025

Best tutor ever!

ANARIA

Math - Pre-Calculus

Feb 16, 2025

helped me understand the math problems and went back to make sure i understood them.

Shaila

Math - Algebra II

Feb 10, 2025

Great tutor

Asma

Math - Calculus

Feb 10, 2025

Everything was great. amazing tutor!

Sydney

Math - Calculus

Feb 7, 2025

very very good tutor

Adhm

Math - Calculus

Jan 31, 2025

None, really good tutors

Adhm

Math - Calculus

Jan 31, 2025

None, tutor was really good

Arabella

Math - Algebra

Jan 30, 2025

Thank you, great service.

Arabella

Math - Algebra

Jan 30, 2025

Awesome tutor, helped out very much, and taught me a new form of math, Log! Thank you so much!

Halie

Math - Calculus

Jan 30, 2025

Thank you for all of your help, and for helping me realize what I did wrong with my problem. I greatly appreciate it!

Elle

Math - Pre-Calculus

Jan 28, 2025

I like a tutor that laughs at my jokes but also helps me YAY

Lane

Math - Algebra

Jan 28, 2025

he was very helpful and helped me understand my math work. We also shared a laugh about some good deals on candy bars in one of the questions.

Perla

Math - Algebra

Jan 27, 2025

AMAZING !!!

Sekou

Math - Calculus

Jan 24, 2025

Andres O was very knowledgeable and was able to explain the topics very thoroughly.

DreLynn

Math - Calculus

Jan 23, 2025

I learned something new

Joseph

Math - Algebra

Jan 22, 2025

Andres was very helpful, patient and understanding of my lack of knowledge with type of math.

Chloe

Math - Algebra II

Jan 20, 2025

The tutor was very very helpful! They explained the problem quickly and clearly！

Shaila

Math - Algebra II

Jan 20, 2025

Great tutor very patient and understanding

Joshua

Math - Algebra II

Jan 17, 2025

Andres was awesome! Thank you!

Taylor

Math - Algebra II

Jan 16, 2025

Once again This tutor is amazing, Ive used him twice in the same day and he was extremely helpful.

Taylor

Math - Algebra II

Jan 16, 2025

This tutor was Extremely Helpful and easy to work with I definitely recommend him.

Scott

Math - Algebra II

Jan 16, 2025

Andre was very helpful.

Grace

Math - Algebra II

Jan 16, 2025

He was so helpful! I had been stuck on this homework for a long time. I was confused about the vocabulary and the instructions. Thank you so much for your help!

David

Math - Pre-Calculus

Jan 16, 2025

I did get my answer figured out but the guy was very confusing and his background noise was very loud and distracting

Evan

Math - Algebra

Jan 16, 2025

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