Luisa Beguiristain-Ortiz

Luisa Beguiristain-Ortiz – Editor

Children’s and YA Book Editor with eight years of experience shaping stories and supporting writers through clear, collaborative guidance.

Overview

I'm here to do what I love most: helping stories find their truest form. After years in publishing, I realigned my career to create a space where writers can feel supported, seen, and encouraged as they grow. Whether you’re seeking mentorship, editorial guidance, or support as a bilingual storyteller, I’m here to walk alongside you with care, curiosity, and a deep respect for your voice.

During my eight-year tenure at Macmillan Children’s Publishing Group, I acquired and edited the Newbery and Pura Belpré Honor Book A Sea of Lemon Trees by María Dolores Aguila, Pura Belpré Honor Book The Coquíes Still Sing by Karina Nicole Gonzales and Krystal Quiles, and its Spanish edition, Los coquíes aun cantan, translated by Amparo Ortiz, the Hispanic Star series created by Claudia Romo Edelman and the We Are All Human Foundation, and many more. I also collaborated on the development of Vanya and the Wild Hunt (Vanya Vallen Adventures) by Sangu Mandanna, and provided support on What Beauty There Is by Cory Anderson, The Ones We’re Meant to Find and the Kingdom of Three duology by Joan He, among others.

A life-long reader, I love stories that are emotionally resonant and engaging, with complex parent-child and sibling relationships, and mental health themes, especially surrounding Anxiety and Depression. I have a B.A. in Communications and English from Loyola University Maryland, and a Masters in Publishing from New York University.

Services
Non-Fiction
Children’s Non-Fiction
Fiction
Contemporary Romance Historical Fiction Middle Grade Middle Grade Fantasy New Adult Picture Books Young Adult Fantasy
Languages
English (US)

Work experience

Macmillan Publishers

Jan, 2018 — Mar, 2026 (about 8 years)
At Macmillan Children’s Publishing Group, I edited picture books, middle grade, and YA titles under the Roaring Brook Press imprint. I guided manuscripts from concept to final pages, offering thoughtful developmental feedback, strengthening voice and structure, and partnering closely with authors, illustrators, and cross‑functional teams. My work includes award‑recognized books shaped through clear communication, collaborative problem‑solving, and a deep respect for each creator’s vision. The projects highlighted in my profile are just a few of the books I was involved with during my eight years at the company.

The Writing Barn

May, 2024 — Present
I mentor emerging authors through tailored editorial guidance and goal‑setting support, lead virtual workshops and professional development sessions, and coordinate mentoring programs with clarity, care, and discretion.

Portfolio

A Sea of Lemon Trees: The Corrido of Roberto Alvarez

Águila, María Dolores

Roaring Brook Press

Developmental Editing Editorial Assessment Query Letter Review Book Coaching
Hispanic Star

Edelman, Claudia Romo

Developmental Editing Editorial Assessment Proofreading Book Coaching
Ones We're Meant to Find

He, Joan

Square Fish

Editorial Assessment Proofreading Query Letter Review
Editorial Assessment Proofreading
Editorial Assessment Proofreading
Developmental Editing Book Coaching
Developmental Editing Editorial Assessment Book Coaching
Developmental Editing Editorial Assessment Book Coaching
Cousins!: A Big Family Story

Lavoie, Laura

Roaring Brook Press

Developmental Editing Editorial Assessment Query Letter Review Book Coaching
The Worry Balloon

Mancillas, Mónica

Roaring Brook Press

Developmental Editing Editorial Assessment Query Letter Review
Monster Baker

Lavoie, Laura

Roaring Brook Press

Developmental Editing Editorial Assessment Query Letter Review
Hispanic Star: Lin-Manuel Miranda

Edelman, Claudia Romo

Roaring Brook Press

Developmental Editing Proofreading Book Coaching
What Beauty There Is: A Novel

Anderson, Cory

Roaring Brook Press

Editorial Assessment Proofreading Query Letter Review
Vanya and the Wild Hunt (Vanya Vallen Adventures)

Mandanna, Sangu

Roaring Brook Press

Developmental Editing Editorial Assessment Proofreading Book Coaching
Hispanic Star: Pedro Pascal

Edelman, Claudia Romo

Roaring Brook Press

Developmental Editing Proofreading
Developmental Editing Editorial Assessment Proofreading Query Letter Review

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