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Mark Otto is a Golden Retriever & Goldendoodle Breeder in Colorado. Along with his wife and 4 children they aim to raise healthy, happy, socialized puppies that will bring families so much joy. Mark has been raising puppies since 2019. Golden Crest Retrievers believes a puppy benefits from being handled daily and exposed to new stimuli, including sights, sounds, textures, and people, to optimize their physical and mental development during their critical socialization period.