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Ronald Gerber

Open
Lowenstein Associates·US

Agent profile summary

Represents
thrillermysteryhistorical fictioncontemporary fictionromancescience fiction
+4 morenarrative nonfictionmemoirbiographymiddle grade
Looking for
Query Letter, First Chapter
How to submit
Email
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Recently verified·Last verified: 15 May 2026
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Ronald Gerber is a literary agent at Lowenstein Associates based in US. Their list focuses on genres including thriller, mystery, and historical fiction. Currently open to submissions, with response guidance listed as If no response within 8 weeks, consider it a pass.. Submissions via Email. For current guidelines, check the agent's own submission page linked below.

Age Categories

Adult, Middle Grade

Response Time

Usually responds within If no response within 8 weeks, consider it a pass.

Notable Clients

Daniel Kenitz, Sonja Thomas, Lorissa Rinehart, Liz Gotauco

Other agents at Lowenstein Associates

Barbara Lowenstein

Lowenstein Associates

Open
RepresentsFiction, nonfiction, mystery, crime, self-help, psychology, how-to, crafts, cooking, business, historical nonfiction, science
Looking forBarbara has represented fiction and nonfiction across a long-running boutique list, including bestselling mystery, business, historical nonfiction, science, psychology, self-help, how-to, crafts and cooking titles.
How to submitEmail a query letter to assistant@bookhaven.com with the first chapter attached as a Word document. Paper queries are discarded.
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Agents with overlapping taste

Andrea Somberg

Harvey Klinger Literary Agency

Open
RepresentsLiterary fiction, commercial fiction, upmarket women's fiction, romance, thriller, mystery, fantasy, science fiction, historical fiction, young adult fiction, middle grade fiction, memoir, narrative non-fiction, popular science, parenting, pop culture, humor, how-to, self-help, lifestyle, travel, interior design, crafts, business
Looking forAndrea represents a wide range of fiction and nonfiction, including projects for adult, young adult and middle grade audiences. She actively seeks literary and commercial fiction, upmarket women's fiction, romance, thrillers, mystery, fantasy, science fiction, and historical fiction. In nonfiction, she seeks memoir, narrative nonfiction, popular science, parenting, pop culture, humor, how-to, self-help, lifestyle, travel, interior design, crafts, and business.
How to submitSubmit via email with a short synopsis of your work, author bio, and the first five pages of your manuscript pasted into the body of the email. No attachments.
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Leticia Gomez

Savvy Literary Services

Open
RepresentsHistorical fiction, multicultural fiction, cozy mystery, romance, science fiction, speculative fiction, suspense, thrillers, upmarket women's fiction, fantasy, action and adventure, literary fiction, military fiction, advice and relationships, biography, business, economics, leadership, diet, health and medical, history, politics, current affairs, how-to, humor, lifestyle, memoir, narrative nonfiction, parenting, religion, spirituality, self-help, true crime, young adult
Looking forLeticia Gomez is CEO and Founder of Savvy Literary Services and a literary, film, and television agent who champions underrepresented voices, especially underserved writers and readers. Savvy has placed fiction and nonfiction with traditional publishers and lists interest in historical, multicultural, cozy mystery, romance, speculative, suspense/thriller, upmarket women's fiction, fantasy, action/adventure, literary fiction, military, and a broad range of nonfiction including advice, biography, business, health, memoir, narrative nonfiction, parenting, self-help, and true crime.
How to submitComplete the official Savvy submission form and email submission documents directly to Leticia Gomez at leticia@savvyliterary.com. Include Leticia's first name in the query letter and submit to only one Savvy agent. Fiction submissions should include a query or elevator pitch with title, genre, and word count, a synopsis, the first 3 chapters or 50 pages, a detailed author bio, and a marketing plan. Nonfiction submissions should include a query and a polished book proposal with overview, target audience, marketing plan, competitive analysis, author bio, chapter outline and descriptions, and at least 3 sample chapters.
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Carrie Pestritto

Laura Dail Literary Agency

Closed
RepresentsNarrative nonfiction, biography, memoir, commercial fiction, romance, women's fiction, historical fiction, mystery, thriller, cozy mystery, middle grade, young adult
Looking forCarrie Pestritto represents projects across a range of genres and is drawn to immersive writing, engaging voices, meticulous world-building, and compelling premises. LDLA lists her interests as adult narrative nonfiction, biography/memoir, commercial fiction with a literary twist, fresh chick-lit, romance, upmarket women's fiction, near-historical fiction from about the Gilded Age on, mystery/thrillers for a female audience, cozies, and high-concept commercial MG and YA in contemporary, historical, mystery/thriller, horror, or fantasy genres, especially featuring POC or marginalized characters, high stakes, and exciting plot lines.
How to submitCarrie Pestritto is currently closed to queries. LDLA accepts queries via QueryManager only and says writers should submit to one agent at a time with one complete project. Carrie's official linked QueryManager page says she is not accepting queries at this time and suggests checking colleagues' bios while she is closed.
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Maria Carvainis

Maria Carvainis Agency, Inc.

Open
RepresentsGeneral fiction, literary fiction, mainstream fiction, mystery, romance, suspense, thriller, historical fiction, contemporary women's fiction, young adult, middle grade, memoir, biography, history, business, psychology, pop culture, popular science
Looking forMaria Carvainis Agency represents a wide range of fiction and nonfiction with special interest in literary and mainstream fiction, mystery, suspense, thrillers, historicals, contemporary women's fiction, young adult and middle grade, memoir, biography, history, business, psychology, pop culture, and popular science.
How to submitEmail a query letter, synopsis, first 5-10 pages, and any writing credentials to mca@mariacarvainisagency.com. The agency does not represent screenplays, children's picture books, science fiction, or poetry.
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Michelle Witte

Mansion Street Literary Management

Open
RepresentsYoung adult fiction, middle grade fiction, graphic novels, women's fiction, romance, historical fiction, science fiction, fantasy, horror, psychological thriller, narrative nonfiction, biography, culture, social justice, history
Looking forMichelle Witte founded Mansion Street Literary Management and represents MG and YA fiction, graphic novels, adult fiction, and narrative nonfiction. In YA she is looking for rom-com, historical, science fiction and fantasy, horror, psychological thrillers, and mashups of those categories; in MG, fun voices in adventure, contemporary, mystery, humor, horror, speculative, science fiction and fantasy, plus select graphic novels. In adult fiction she seeks women's fiction, romance, and speculative work. For nonfiction she is interested in biographies, culture, social justice, and history with a fresh lens and a personal element.
How to submitSubmit to Michelle Witte through the official QueryManager link on the Mansion Street submissions page. Her form asks for project details, query letter, synopsis, comparable books, AI disclosure, and the first 5 pages or a full proposal for nonfiction. Mansion Street says if you do not hear back within 8 weeks, consider it a pass.
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Jill Marr

Sandra Dijkstra Literary Agency

Closed
RepresentsCommercial fiction, upmarket fiction, dark romance, romantasy, romance, speculative fiction, mystery, thriller, gothic, horror, historical fiction, rom com, magical realism, current events, true crime, science, history, narrative non-fiction, sports, politics, health, nutrition, pop culture, humor, music, memoir
Looking forJill seeks fiction and non-fiction by unrepresented voices, BIPOC and Latinx writers, disabled persons, and LGBTQ+ people. She wants commercial and upmarket fiction emphasizing dark romance, romantasy, speculative fiction, mysteries, thrillers, Gothic, horror, and historical fiction, plus food-centric novels and psychological suspense in the vein of Freida McFadden. For non-fiction, she seeks authors with big, timely, smart messages and deep dives into subcultures, social commentary, and historical projects.
How to submitSubmit via QueryManager at QueryManager.com or JillMarr. Include query letter, 1-page synopsis, brief bio with publishing history, and first 10-15 pages for fiction. For non-fiction, include query letter and full book proposal.
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crime & thrillermysteryscience fictionromancecontemporaryhistorical fictionnarrative non-fictionmemoirbiographyhistorymiddle grade

This profile was last verified on 15 May 2026. PairPi tracks UK literary agents' submission guidelines against their own websites. If you spot something wrong, please email hello@pairpi.com.