Mentoring and Portfolio Reviews  


Let's take a look at your portfolio! 

You can submit up to 15 images or a link to your website.  I will provide you with clear advice on how to improve in areas of composition, color, value, storytelling aspects and Narrative.

I specialize in children's picture books. MG and YA covers.


Portfolio reviews live via a 45 minute zoom meeting ($65)This is a great chance to discuss your plans to become a children's book illustrator.   

Mentoring services:

Need help figuring out book dummies, pagination, and making the most out of page turns?   We will dive into all aspects from composition to color, value, saturations.  

Sign up for a mentoring session.

We will meet four times via zoom  (1 hour each) to figure out the pacing of your story and figure out the most impactful compositions to get your story ready for submission. ($275)

Contact me for availability


Olga has helped me so much with my children's book illustration career.  She has been a wonderful mentor, friend and critique partner for my stories and PB dummies. Her talent, extensive knowledge and keen eye for tangents are invaluable tools for any illustrator.  She gives clear steps to follow towards improving your art and writing.

-Sunny Duran

"I just had a portfolio review with @Olgachildrensillustrator, That was so Precious!

Remember when an editor told you the values are wrong or you should work more in this one but you don't know how?

Olga show you exactly how to do it!"

-audreysuau_illustration (via Instagram)

Thank you So So So much for the incredible portfolio review yesterday.  I feel like I got an art lesson in addition to a review! I have been thinking of your feedback and cannot wait to dive in... I am so glad I reached out to have you review my work.  I will for sure be reaching out again the in the future. I have been talking about your review non-stop! 

-Molly Coyne 


Join Sunny Duran and Olga Herrera as they navigate the world of Professional Illustration.  Learn what has and hasn't worked for them and what it takes to work in this creative industry.

Thank you!